TY - RPRT TI - CHIPS: A New Way to Monitor Colonias Along the United States-Mexico Border AU - Jean W. Parcher AU - Delbert G. Humberson PY - 2007 DO - 10.3133/ofr20071230 UR - https://pubs.usgs.gov/publication/ofr20071230 ID - ofr20071230 ER -