TY - RPRT TI - Quaternary stratigraphy and tectonics, and late prehistoric agriculture of the Safford Basin (Gila and San Simon river valleys), Graham County, Arizona AU - Brenda B. Houser AU - Phillip A. Pearthree AU - Jeffry A. Homburg AU - Lawrence C. Thrasher PY - 2004 DO - 10.3133/ofr20041062 UR - https://pubs.usgs.gov/publication/ofr20041062 ID - ofr20041062 ER -