TY - RPRT TI - Single-Channel Seismic-Reflection Profiles and Side-Scan Sonar Records Collected During June 8-14, 1977, in the Middle Atlantic Shelf Area AU - David C. Twichell PY - 1979 DO - 10.3133/ofr79580 UR - https://pubs.usgs.gov/publication/ofr79580 ID - ofr79580 ER -