@article{219648, author = {Carpenter, Michael C. and Crosswhite, Jason A. and Carruth, R. L.}, url = {http://library.usi.edu/record/219648}, title = {Water-level fluctuations, water temperatures, and tilts in sandbars-6.5R, 43.1L, and 172.3L, Grand Canyon, Arizona, 1990-93 [microform] /}, publisher = {U.S. Geological Survey ;}, recid = {219648}, pages = {iv, 17 p. :}, address = {Tucson, Ariz. :}, year = {1995}, }