TY - RPRT TI - Maps showing kinds and sources of environmental geologic and geophysical data collected by the U.S. Geological Survey in the Baltimore Canyon trough area AU - James M. Robb AU - John R. Kirby PY - 1980 DO - 10.3133/mf1210 UR - https://pubs.usgs.gov/publication/mf1210 ID - mf1210 ER -