TY - RPRT TI - Filchner Ice Shelf, Antarctica; satellite image map, 1973-74 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1984 DO - 10.3133/ofr84307 UR - https://pubs.usgs.gov/publication/ofr84307 ID - ofr84307 ER -