Original Wetlands Survey Circa 1780: 931,000 acres
1954: 28,000
National Wetlands Inventory, mid-1980's 600,000
Change (percent) -36
National Wildlife Refuges
Bill Williams River NWR
60911 Hwy. 95
Parker, AZ 85344
Buenos Aires NWR
PO Box 109
Sasabe, AZ 85633
Cabeza Prieta NWR
1611 N. Second Ave.
Ajo., AZ65321
Cibola NWR
PO Box AP
Blythe, CA 92226 (CA)
Havasu NWR
PO Box 3009
Needles, CA 92363 (CA)
Imperial NWR
PO Box 72217
Martinez Lake, AZ 85365
Kofa NWR
356 W. 1st. St.
PO Box 6290
Yuma, AZ 85366
San Bernardino NWR
1408 10th St.
Douglas, AZ 85607