TY - RPRT TI - Assessment of goods and valuation of ecosystem services (AGAVES) San Pedro River Basin, United States and Mexico AU - Darius J. Semmens AU - William Kepner AU - David Goodrich PY - 2010 DO - 10.3133/fs20103082 UR - https://pubs.usgs.gov/publication/fs20103082 ID - fs20103082 ER -