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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,
Allamakee County,
Clayton County,
Crawford County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
Fayette County,
FileGDB 10.1,
FileGDB 10.1,
Fillmore County,
Grant County,
Houston County,
IA,
Iowa,
La Crosse County,
MN,
Minnesota,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Trempealeau County,
US,
US,
United States,
United States,
Vernon County,
WI,
Winneshiek County,
Winona County,
Wisconsin,
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,
Allamakee County,
Clayton County,
Crawford County, All tags...
Downloadable Data,
Elevation,
Elevation Terrestrial,
Fayette County,
Fillmore County,
Grant County,
Houston County,
IA,
Iowa,
La Crosse County,
MN,
Minnesota,
National Elevation Dataset (NED),
National Elevation Dataset (NED) 1/3 arc-second - Contours,
National Elevation Dataset (NED) 1/3 arc-second - Contours,
Shapefile,
Shapefile,
Trempealeau County,
US,
US,
United States,
United States,
Vernon County,
WI,
Winneshiek County,
Winona County,
Wisconsin,
elevation,
ngda, Fewer tags
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