TY - RPRT TI - Geographic information systems, remote sensing, and spatial analysis activities in Texas, 2008-09 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 2009 DO - 10.3133/fs20093039 UR - https://pubs.usgs.gov/publication/fs20093039 ID - fs20093039 ER -