TY - RPRT TI - Conterminous U.S. AVHRR companion disc: USA-USGS-EDC-AVHRR-9502 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1993 DO - 10.3133/25171 UR - https://pubs.usgs.gov/publication/25171 ID - 25171 ER -