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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,
AR,
Arkansas,
Butler County, All tags...
Carter County,
Clay County,
Downloadable Data,
Dunklin County,
Elevation,
Elevation Terrestrial,
Greene County,
Lawrence County,
MO,
Missouri,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Randolph County,
Ripley County,
Shapefile,
Shapefile,
Stoddard 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,
AR,
Arkansas,
Butler County, All tags...
Carter County,
Clay County,
Downloadable Data,
Dunklin County,
Elevation,
Elevation Terrestrial,
FileGDB 10.1,
FileGDB 10.1,
Greene County,
Lawrence County,
MO,
Missouri,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Randolph County,
Ripley County,
Stoddard County,
US,
US,
United States,
United States,
Wayne County,
elevation,
ngda, Fewer tags
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