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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,
Appanoose County,
Clarke County,
Daviess County, All tags...
Decatur County,
Downloadable Data,
Elevation,
Elevation Terrestrial,
Grundy County,
Harrison County,
IA,
Iowa,
Linn County,
Lucas County,
MO,
Mercer 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,
Shapefile,
Shapefile,
Sullivan County,
US,
US,
United States,
United States,
Wayne 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,
Boone County,
Clarke County,
Dallas County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
IA,
Iowa,
Jasper County,
Lucas County,
Madison 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,
Polk County,
Story County,
US,
US,
United States,
United States,
Warren 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,
Appanoose County,
Clarke County,
Daviess County, All tags...
Decatur County,
Downloadable Data,
Elevation,
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
Grundy County,
Harrison County,
IA,
Iowa,
Linn County,
Lucas County,
MO,
Mercer 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,
Sullivan County,
US,
US,
United States,
United States,
Wayne 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,
Boone County,
Clarke County,
Dallas County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
IA,
Iowa,
Jasper County,
Lucas County,
Madison 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,
Polk County,
Shapefile,
Shapefile,
Story County,
US,
US,
United States,
United States,
Warren County,
elevation,
ngda, Fewer tags
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