TY - RPRT TI - Possible effects of vegetation conversion on runoff and sediment yield, Sycamore Creek watersheds, Maricopa County, Arizona; calibration period analysis AU - H. W. Hjalmarson PY - 1975 DO - 10.3133/ofr75425 UR - https://pubs.usgs.gov/publication/ofr75425 ID - ofr75425 ER -