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Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Calvert,
Charles,
Combined Vector, All tags...
Combined Vector,
Combined Vector,
Downloadable Data,
Esri Shapefile nan,
MD,
Maryland,
Prince George's,
Public Land Survey System,
Shapefile,
St. Mary's,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
Tags: 1 x 1 degree,
1X1,
Alexandria,
Arlington,
Caroline, All tags...
Charles,
Clarke,
Culpeper,
DC,
District of Columbia,
District of Columbia,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Essex,
Fairfax,
Falls Church,
Fauquier,
Fredericksburg,
GeoPackage,
Hanover,
King George,
Loudoun,
Louisa,
MD,
Manassas,
Manassas Park,
Maryland,
Montgomery,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Open Geospatial Consortium GeoPackage 1.2,
Orange,
Prince George's,
Prince William,
Rappahannock,
Spotsylvania,
Stafford,
US,
United States,
VA,
Virginia,
Westmoreland,
elevation,
ngda, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units,
Administrative watershed units,
Alexandria,
Area of Complex Channels,
Area to be submerged, All tags...
Arlington,
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Canal/Ditch,
Charles,
Coastline,
Connector,
DC,
Dam/Weir,
District of Columbia,
District of Columbia,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Esri File GeoDatabase 10,
Estuary,
Fairfax,
Falls Church,
Fauquier,
FileGDB,
Flow direction network,
Flume,
ForeShore,
Gaging Station,
Gate,
HU-8,
HU-8 Subbasin,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU6,
HU8,
HU8_02070010,
HUC,
Hazard Zone,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
Levee,
Line,
Lock Chamber,
Loudoun,
MD,
Manassas,
Manassas Park,
Marsh,
Maryland,
Montgomery,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
Nonearthen Shore,
Orthoimage,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Prince William,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Rock,
Sea/Ocean,
Sink/Rise,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
Stafford,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
VA,
Virginia,
WBD,
WBD,
Wall,
Wash,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Accomack,
Administrative watershed units,
Administrative watershed units,
Area of Complex Channels,
Area to be submerged, All tags...
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Canal/Ditch,
Charles,
Coastline,
Connector,
Dam/Weir,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Estuary,
Fauquier,
Flow direction network,
Flume,
ForeShore,
Gaging Station,
Gate,
GeoPackage,
HU-8,
HU-8 Subbasin,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU6,
HU8,
HU8_02070011,
HUC,
Hazard Zone,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
King George,
Levee,
Line,
Lock Chamber,
MD,
Marsh,
Maryland,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
Nonearthen Shore,
Northumberland,
Open Geospatial Consortium GeoPackage 1.2,
Orthoimage,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Prince William,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Richmond,
Rock,
Sea/Ocean,
Sink/Rise,
Somerset,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
St. Mary's,
Stafford,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
VA,
Virginia,
WBD,
WBD,
Wall,
Wash,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
Westmoreland,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
Tags: 1 x 1 degree,
1X1,
Alexandria,
Arlington,
Caroline, All tags...
Charles,
Clarke,
Culpeper,
DC,
District of Columbia,
District of Columbia,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Esri Shapefile nan,
Essex,
Fairfax,
Falls Church,
Fauquier,
Fredericksburg,
Hanover,
King George,
Loudoun,
Louisa,
MD,
Manassas,
Manassas Park,
Maryland,
Montgomery,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Orange,
Prince George's,
Prince William,
Rappahannock,
Shapefile,
Spotsylvania,
Stafford,
US,
United States,
VA,
Virginia,
Westmoreland,
elevation,
ngda, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
GeoPackage,
MD,
Maryland,
Open Geospatial Consortium GeoPackage 1.2,
Prince George's,
Public Land Survey System,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
Esri Shapefile nan,
MD,
Maryland,
Public Land Survey System,
Shapefile,
St. Mary's,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
This data represents the map extent for current and historical USGS topographic maps for the United States and Territories, including 1 X 2 Degree, 1 X 1 Degree, 30 X 60 Minute, 15 X 15 Minute, 7.5 X 7.5 Minute, and 3.75 X 3.75 Minute. The grid was generated using ESRI ArcInfo GIS software.
Types: Citation;
Tags: Allegany,
Anne Arundel,
Baltimore,
Boundaries,
Calvert, All tags...
Caroline,
Carroll,
Cecil,
Charles,
Dorchester,
Downloadable Data,
Esri Shapefile nan,
Frederick,
Garrett,
Harford,
Howard,
Kent,
MD,
Map Indices,
Map Indices,
Map Indices,
Maryland,
Montgomery,
Prince George's,
Queen Anne's,
Shapefile,
Somerset,
St. Mary's,
State,
State,
Talbot,
US,
United States,
United States of America,
Washington,
Wicomico,
Worcester,
cells,
map indices,
polygon grid, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
Esri Shapefile nan,
MD,
Maryland,
Prince George's,
Public Land Survey System,
Shapefile,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
Esri Shapefile nan,
MD,
Maryland,
Public Land Survey System,
Shapefile,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units,
Administrative watershed units,
Allegany,
Anne Arundel,
Area of Complex Channels, All tags...
Area to be submerged,
Baltimore,
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Calvert,
Canal/Ditch,
Caroline,
Carroll,
Cecil,
Charles,
Coastline,
Connector,
Dam/Weir,
Dorchester,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Estuary,
Flow direction network,
Flume,
ForeShore,
Frederick,
Gaging Station,
Garrett,
Gate,
GeoPackage,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU6,
HU8,
HUC,
Harford,
Hazard Zone,
Howard,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
Kent,
Levee,
Line,
Lock Chamber,
MD,
Marsh,
Maryland,
Montgomery,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
Nonearthen Shore,
Open Geospatial Consortium GeoPackage 1.2,
Orthoimage,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Queen Anne's,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Rock,
Sea/Ocean,
Sink/Rise,
Somerset,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
St. Mary's,
State,
State,
State_Maryland,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Talbot,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
WBD,
WBD,
Wall,
Wash,
Washington,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
Wicomico,
Worcester,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: Allegany,
Anne Arundel,
Antarctica,
Antarctica,
BGN, All tags...
Baltimore,
Board on Geographic Names,
Borough,
Calvert,
Caroline,
Carroll,
Cecil,
Census Area,
Charles,
Commonwealth,
County,
District,
Dorchester,
Downloadable Data,
Feature class,
Feature coordinates,
Feature county,
Feature description,
Feature designation,
Feature history,
Feature indentification,
Feature name,
Feature state,
Frederick,
GNIS,
Garrett,
Geographic Names,
Geographic Names Federal Codes,
Geographic Names Information System,
Geographic feature,
Geographic name,
Geographical feature,
Geographical name,
Harford,
Howard,
Kent,
MD,
Maryland,
Montgomery,
Municipio,
National Geographic Names Information System (GNIS),
National Geographic Names Information System (GNIS),
Official feature name,
Outlying Area,
Parish,
Place name,
Populated Place,
Prince George's,
Queen Anne's,
Somerset,
St. Mary's,
State,
TXT (pipes),
Talbot,
Territories,
Territory,
Topographic Map,
U.S. Board on Geographic Names,
U.S. Geological Survey,
US,
USA,
USBGN,
USGS,
UTF-8 Pipe Delimited Text File nan,
United States,
United States,
United States,
Variant name,
Washington,
Wicomico,
Worcester,
antarctic,
database,
economy,
environment,
feature,
gazetteer,
geographic,
geographic names,
geographical,
geography,
geospatial,
imageryBaseMapsEarthCover,
inlandWaters,
location,
map,
name,
place,
placename,
society,
structure,
topographic map,
toponymy, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units,
Administrative watershed units,
Anne Arundel,
Area of Complex Channels,
Area to be submerged, All tags...
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Calvert,
Canal/Ditch,
Charles,
Coastline,
Connector,
Dam/Weir,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Esri File GeoDatabase 10,
Estuary,
FileGDB,
Flow direction network,
Flume,
ForeShore,
Frederick,
Gaging Station,
Gate,
HU-8,
HU-8 Subbasin,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU6,
HU8,
HU8_02060006,
HUC,
Hazard Zone,
Howard,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
Levee,
Line,
Lock Chamber,
MD,
Marsh,
Maryland,
Montgomery,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
Nonearthen Shore,
Orthoimage,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Rock,
Sea/Ocean,
Sink/Rise,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
St. Mary's,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
WBD,
WBD,
Wall,
Wash,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units,
Administrative watershed units,
Anne Arundel,
Area of Complex Channels,
Area to be submerged, All tags...
Baltimore,
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Calvert,
Canal/Ditch,
Caroline,
Carroll,
Cecil,
Charles,
Chester,
Coastline,
Connector,
DE,
Dam/Weir,
Delaware,
Dorchester,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Esri File GeoDatabase 10,
Estuary,
FileGDB,
Flow direction network,
Flume,
ForeShore,
Frederick,
Gaging Station,
Gate,
HU-4,
HU-4 Subregion,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU4_0206,
HU6,
HU8,
HUC,
Harford,
Hazard Zone,
Howard,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
Kent,
Levee,
Line,
Lock Chamber,
MD,
Marsh,
Maryland,
Montgomery,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
New Castle,
Nonearthen Shore,
Orthoimage,
PA,
Pennsylvania,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Queen Anne's,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Rock,
Sea/Ocean,
Sink/Rise,
Somerset,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
St. Mary's,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Talbot,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
WBD,
WBD,
Wall,
Wash,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
York,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
GeoPackage,
MD,
Maryland,
Open Geospatial Consortium GeoPackage 1.2,
Prince George's,
Public Land Survey System,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
Esri Shapefile nan,
Fairfax,
MD,
Maryland,
Prince William,
Public Land Survey System,
Shapefile,
Topo Map Vector Data,
US,
United States,
VA,
Virginia,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
GeoPackage,
MD,
Maryland,
Open Geospatial Consortium GeoPackage 1.2,
Prince George's,
Public Land Survey System,
St. Mary's,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
Types: Citation;
Tags: 7.5 x 7.5 minute,
7_5_Min,
Charles,
Combined Vector,
Combined Vector, All tags...
Combined Vector,
Downloadable Data,
Esri File GeoDatabase 10,
FileGDB,
MD,
Maryland,
Public Land Survey System,
Topo Map Vector Data,
US,
United States,
boundary,
contours,
geographic names,
hydrography,
structures,
transportation,
woodland, Fewer tags
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units,
Administrative watershed units,
Alexandria,
Area of Complex Channels,
Area to be submerged, All tags...
Arlington,
Basin,
Basin,
Bay/Inlet,
Boundaries,
Boundary,
Bridge,
Canal/Ditch,
Charles,
Coastline,
Connector,
DC,
Dam/Weir,
District of Columbia,
District of Columbia,
Downloadable Data,
Drainage areas for surface water,
Drainageway,
Esri Shapefile nan,
Estuary,
Fairfax,
Falls Church,
Fauquier,
Flow direction network,
Flume,
ForeShore,
Gaging Station,
Gate,
HU-8,
HU-8 Subbasin,
HU10,
HU12,
HU14,
HU16,
HU2,
HU4,
HU6,
HU8,
HU8_02070010,
HUC,
Hazard Zone,
Hydrographic,
Hydrography,
Hydrography,
Hydrography,
Hydrologic Unit Code,
Hydrologic Units,
Ice mass,
Inundation Area,
Levee,
Line,
Lock Chamber,
Loudoun,
MD,
Manassas,
Manassas Park,
Marsh,
Maryland,
Montgomery,
National Hydrography Dataset (NHD),
National Hydrography Dataset (NHD) Best Resolution,
National Hydrography Dataset (NHD) Best Resolution,
Nonearthen Shore,
Orthoimage,
Playa,
Point,
PointEvent,
Pond,
Prince George's,
Prince William,
Rapids,
Rapids,
Reach,
Reach code,
Reef,
Region,
Reservoir,
Rock,
Sea/Ocean,
Shapefile,
Sink/Rise,
Sounding Datum Line,
Special Use Zone,
Special Use Zone Limit,
Spillway,
Stafford,
Stream,
Stream/River,
Sub-basin,
Sub-region,
Subbasin,
Submerged Stream,
Subregion,
Subwatershed,
Surface water systems,
Swamp,
Topographic,
Tunnel,
US,
Underground Conduit,
United States,
VA,
Virginia,
WBD,
WBD,
Wall,
Wash,
Water Intake Outflow,
Waterfall,
Watershed,
Watershed Boundaries,
Watershed Boundary Dataset,
Watershed Boundary Dataset,
Well,
artificial path,
boundaries,
dams,
drainage systems and characteristics,
inlandWaters,
lakes,
ngda,
rivers, Fewer tags
This data represents the map extent for current and historical USGS topographic maps for the United States and Territories, including 1 X 2 Degree, 1 X 1 Degree, 30 X 60 Minute, 15 X 15 Minute, 7.5 X 7.5 Minute, and 3.75 X 3.75 Minute. The grid was generated using ESRI ArcInfo GIS software.
Tags: Allegany,
Anne Arundel,
Baltimore,
Boundaries,
Calvert, All tags...
Caroline,
Carroll,
Cecil,
Charles,
Dorchester,
Downloadable Data,
Esri File GeoDatabase 10,
FileGDB,
Frederick,
Garrett,
Harford,
Howard,
Kent,
MD,
Map Indices,
Map Indices,
Map Indices,
Maryland,
Montgomery,
Prince George's,
Queen Anne's,
Somerset,
St. Mary's,
State,
State,
Talbot,
US,
United States,
United States of America,
Washington,
Wicomico,
Worcester,
cells,
map indices,
polygon grid, Fewer tags
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