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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,
Benton County,
Downloadable Data,
Elevation, All tags...
Elevation Terrestrial,
IA,
Iowa,
Iowa County,
Jasper County,
Jefferson County,
Keokuk County,
Mahaska County,
Marion County,
Marshall County,
Monroe County,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Poweshiek County,
Shapefile,
Shapefile,
Tama County,
US,
US,
United States,
United States,
Wapello 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,
Adair County,
Appanoose County,
Davis County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
IA,
Iowa,
Jefferson County,
Knox County,
Linn County,
MO,
Macon County,
Missouri,
Monroe County,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Putnam County,
Schuyler County,
Scotland County,
Sullivan County,
US,
US,
United States,
United States,
Van Buren County,
Wapello 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,
Adair County,
Appanoose County,
Davis County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
IA,
Iowa,
Jefferson County,
Knox County,
Linn County,
MO,
Macon County,
Missouri,
Monroe County,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Putnam County,
Schuyler County,
Scotland County,
Shapefile,
Shapefile,
Sullivan County,
US,
US,
United States,
United States,
Van Buren County,
Wapello 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,
Benton County,
Downloadable Data,
Elevation, All tags...
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
IA,
Iowa,
Iowa County,
Jasper County,
Jefferson County,
Keokuk County,
Mahaska County,
Marion County,
Marshall County,
Monroe County,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Poweshiek County,
Tama County,
US,
US,
United States,
United States,
Wapello County,
elevation,
ngda, Fewer tags
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