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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,
1 x 1 degree,
Bennington County,
Berkshire County,
CT, All tags...
Cheshire County,
Connecticut,
Downloadable Data,
Elevation,
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
Franklin County,
Hampden County,
Hampshire County,
Hartford County,
Hillsborough County,
MA,
Massachusetts,
NH,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
New Hampshire,
Tolland County,
US,
US,
United States,
United States,
VT,
Vermont,
Windham County,
Windham County,
Worcester County,
elevation,
ngda, 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,
1 x 1 degree,
Bristol County,
CT,
Cheshire County, All tags...
Connecticut,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Essex County,
Hillsborough County,
MA,
Massachusetts,
Middlesex County,
NH,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
New Hampshire,
Norfolk County,
Plymouth County,
Providence County,
RI,
Rhode Island,
Rockingham County,
Shapefile,
Shapefile,
Suffolk County,
US,
US,
United States,
United States,
Windham County,
Worcester County,
elevation,
ngda, 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,
1 x 1 degree,
Bennington County,
Berkshire County,
CT, All tags...
Cheshire County,
Connecticut,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Franklin County,
Hampden County,
Hampshire County,
Hartford County,
Hillsborough County,
MA,
Massachusetts,
NH,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
New Hampshire,
Shapefile,
Shapefile,
Tolland County,
US,
US,
United States,
United States,
VT,
Vermont,
Windham County,
Windham County,
Worcester County,
elevation,
ngda, 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,
1 x 1 degree,
Bristol County,
CT,
Cheshire County, All tags...
Connecticut,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Essex County,
FileGDB 10.1,
FileGDB 10.1,
Hillsborough County,
MA,
Massachusetts,
Middlesex County,
NH,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
New Hampshire,
Norfolk County,
Plymouth County,
Providence County,
RI,
Rhode Island,
Rockingham County,
Suffolk County,
US,
US,
United States,
United States,
Windham County,
Worcester County,
elevation,
ngda, Fewer tags
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