@article{122521, author = {Poland, J. F.}, url = {http://library.usi.edu/record/122521}, title = {Land subsidence, in the San Joaquin Valley, California, as of 1972 : a history of land subsidence caused by water-level decline in the San Joaquin Valley, from the 1920's to 1972 /}, publisher = {U.S. Govt. Print. Off.,}, recid = {122521}, pages = {v, 78 p. :}, address = {Washington :}, year = {1975}, }