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, 1966, 1967, 1967, 1969 and 1982)
The Unpublished Digital Geologic-GIS Map of Lyndon B. Johnson National Historical Park and Vicinity, Texas is composed of GIS data layers and GIS tables in a 10.1 file geodatabase (lyjo_geology.gdb), a 10.1 ArcMap (.mxd) map document (lyjo_geology.mxd), individual 10.1 layer (.lyr) files for each GIS data layer, an …