Digital Surficial Geologic-GIS Map of Herbert Hoover National Historic Site and Vicinity, Iowa (NPS, GRD, GRI, HEHO, HEHO_surficial digital map) adapted from Iowa Geological Survey Open-File Maps by Tassier-Surine, Krieg, Quade, Bettis, Artz and Giglierano (2004), by Quade, Tassier-Surine, Giglierano and Bettis (2008), and by Krieg, Tassier-Surine, Quade, Bettis, Artz and Giglierano (2004)
The Digital Surficial Geologic-GIS Map of Herbert Hoover National Historic Site and Vicinity, Iowa is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) an ESRI file geodatabase (heho_surficial_geology.gdb), a 2.) Open Geospatial Consortium (OGC) …