TY - RPRT TI - Land subsidence in the San Joaquin Valley, California, as of 1972 AU - J. F. Poland AU - B. E. Lofgren AU - R. L. Ireland AU - R.G. Pugh PY - 1975 DO - 10.3133/pp437h UR - https://pubs.usgs.gov/publication/pp437H ID - pp437H ER -