Digital Geologic-GIS Map of Lyndon B. Johnson National Historical Park and Vicinity, Texas (NPS, GRD, GRI, LYJO, LYJO digital map) adapted from Texas Bureau of Economic Geology, University of Texas at Austin Geologic Quadrangle Maps by Barnes (1965, 1965, 1966, 1967, 1967, 1967, 1969 and 1982)
The Digital Geologic-GIS Map of Lyndon B. Johnson National Historical Park and Vicinity, Texas 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 (lyjo_geology.gdb), a 2.) Open Geospatial Consortium (OGC) geopackage, and 3.) 2.2 …