TY - MAP ID - 135825451 TI - Maps showing areal distribution of selected chemical constituents and chemical water types in shallow ground water, Tucson basin, southeastern Arizona PY - 1972 PB - Washington (D.C.) U.S. Geological Survey DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135825451 AB - ER -