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TERRAIN, WINNESHIEK COUNTY, IOWA, USA
Terrain data, as defined in FEMA Guidelines and Specifications, Appendix N: Data Capture Standards, describes the digital topographic data that was used to create the elevation... -
HYDRAULICS, WINNESHIEK COUNTY, IOWA, USA
"Recent developments in digital terrain and geospatial database management technology make is possible to protect this investment for existing and future projects to a much...