TY - RPRT TI - Access routes to the U.S. Geological Survey's EROS Data Center, Sioux Falls, South Dakota AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1976 DO - 10.3133/70039218 UR - https://pubs.usgs.gov/publication/70039218 ID - 70039218 ER -