Cooperators listed are those with whom the USGS had a written agreement cosigned by USGS officials and officials of the cooperating agency for financial cooperation in fiscal year 1991. Parent agencies are listed separately from their subdivisions whenever there are separate cooperative agreements for different projects with a parent agency and with a subdivision of it. Agencies are listed in alphabetical order under the State or territory where they have cooperative agreements with the USGS. Agencies with whom the USGS has research contracts and to whom it supplied research funds are not listed.

Cooperating office of the U.S. Geological Survey g-Geologic Division

n-National Mapping Division

w-Water Resources Division

Alabama

Alabama Department of —

Economic and Community Affairs (w),

Environmental Management (w),

Highways, Departments No. 1, 2, and 6 (w);

Anniston, City of (w);

Birmingham, City of (w);

Butler, County of (w);

Coffee County Commission (w);

Fayette County Commission (w);

Florida Department of Environmental Regulation (w);

Geological Survey of Alabama (n,w);

Greenville, City of (w);

Huntsville, City of (w);

Jefferson County Commission (w);

Mobile, City of (w);

Montgomery, City of (w);

North Sumter Water Authority (w);

Prattville, City of (w);

Sumter, County of (w);

Sylacauga, City of (w);

Tuscaloosa, City of (w);

University of Alabama-Tuscaloosa (w)

Alaska

Alaska Department of—

Fish and Game (w),

Natural Resources, Division of Geological and Geophysical Surveys (w),

Transportation (w);

Alaska Energy Authority (w);

Alaska Industrial Development and Export
Authority (w);

Anchorage, Municipality of (w);

Annette Islands Reserve Tribal Government (g);

Fairbanks North Star Borough (w);

Juneau, City and Borough of (w);

Kenai Peninsula Borough (w);

Kenai Soil and Water Conservation District (w);

Kodiak, Borough of (w);

Matanuska Susitna Borough (w);

Sitka, City and Borough of (w);
University of Alaska, Fairbanks (g)

American Samoa

American Samoa, Government of (w) Arizona

Arizona Department of —

Environmental Quality (w),

Health Services (w),

Water Resources (w);

Arizona Municipal Water Users Association (w);

Arizona State Land Department (w);

Arizona State University (g);

Colorado Department of Highways (w);

Franklin Irrigation District (w);

Gila Valley Irrigation District (w);

Gila Water Commissioner, Office of (w);
Hualapai Indian Tribe (g);
Maricopa County—

Flood Control District (w),
Water District (w);

Metropolitan Water District of Southern
California (w);

Navajo Nation (w);

Pima County Department of Transportation (w); Prescott, City of (w);

Safford, City of, Water, Gas, and Sewer

Department (w);

Salt River Project (w);

San Carlos Apache Tribe (g);

San Carlos Irrigation District (w);

Scottsdale, City of, Water Resources Department (w);

Show Low Irrigation Company (w);
Tohono Oldham Nation (w);

Tucson, City of (w);

Yuma, City of (w)

Arkansas

Arkansas Department of

Parks and Tourism (w),

Pollution Control and Ecology (w),

Health (w);

Arkansas Game and Fish Commission, Fisheries
Division (w);

Arkansas Geological Commission (n,w);
Arkansas Soil and Water Conservation
Commission (w);

Arkansas State Highway and Transportation
Department (w);

Arkansas-Oklahoma: Arkansas River Compact
Commission (w);

Beebe, City of (w);

Independence, County of (w);
Little Rock-

Municipal Water Works (w),
Public Works Department (w);

Rogers, City of, Water Utilities Department (w);
University of Arkansas-

at Fayetteville (w),

at Little Rock (w) California

Alameda County

Flood Control and Water Conservation District (Hayward) (w),

Water District (w);

Antelope Valley-East Kern Water Agency (w);
California Department of-

Boating and Waterways (w),
Conservation (g),
Food and Agriculture (w),
Parks and Recreation (g,w),
Transportation (w),
Water Resources (w);
California Water Control Board (w);
Carpinteria County Water District (w);
Casitas Municipal Water District (w);
Coachella Valley Water District (w);
Contra Costa County Flood Control and Water
Conservation District (w);

Crestline-Lake Arrowhead Water Agency (w);
Desert Water Agency (w);

East Bay Municipal Utility District (w);

East Valley Water District (w);

Eastern Municipal Water District (w);
Georgetown Divide Public Utility District (w);
Humboldt Bay Municipal Water District (w);
Imperial County Department of Public Works (w);
Imperial Irrigation District (w);

Indian Wells Valley Water District (w);
Los Angeles, County of (w);

Los Angeles County Sanitation Districts (g);
Los Angeles Department of City Planning (g);
Madera Irrigation District (w);

Marin Municipal Water District (w);
Mendocino County Water Agency (w);
Merced, City of (w);

Merced Irrigation District (w);
Metropolitan Water District (w);
Mojave Water Agency (w);

Mono, County of (w);

Montecito Water District (w);

Monterey County Water Resources Agency (w); Monterey Peninsula Water Management District

(w);

North Kern Water Storage District (w);

Orange County Water District (w);

Pala Band of the Mission Indians (w);

Palo Alto, City of (w);

Panoche Water and Drainage District (w);

Pechanga Indian Reservation (w);

Rancho California Water District (w);

Riverside County Flood Control and Water

Conservation District (w);

Sacramento Municipal Utility District (w);

Sacramento County Department of Public Works (w);

San Benito County Water District (w);

San Bernardino County Flood Control District (w); San Bernardino Valley Municipal Water

Aspen, City of (w);
Aurora, City of (w);
Bent, County of (w);
Boulder, City of (w);

Boulder, County of (w);

Breckenridge, Town of (w);

Centennial Water and Sanitation District (w); Cherokee Water and Sanitation District (w); Colorado Department of—

Health (w),

Natural Resources, Oil and Gas Conservation

Commission (w),

Transportation (w);

Colorado Division of

Water Resources, Office of the State

Engineer (w),

Wildlife (w);

Colorado River Water Conservation District (w);

Colorado Springs, City of

Department of Public Utilities (w),
Engineering Division (w);

Colorado Water Conservation Board (w);
Delta County Board of Commissioners (w);
Denver, City and County, Board of Water
Commissioners (w);

Eagle County Board of Commissioners (w);
East Grand County Water Quality Board (w);
Englewood, City of (w);

Evergreen Metropolitan District (w);

Fort Collins, City of, Water and Wastewater (w);

Fountain Valley Authority (w);

Fremont Sanitation District (w);

Garfield, County of (w);

Glendale, City of (w);

Glenwood Springs, City of (w);

Golden, City of (w);

Jefferson County Board of County

Commissioners (w);
Lakewood, City of (w);
Lamar, City of (w);
La Plata, County of (w);
Las Animas, City of (w);
Longmont, City of (w);
Loveland, City of (w);

Lower Fountain Water-Quality Management
Association (w);

Metropolitan Wastewater Reclamation District (w);

Moffat, County of (w);

Northern Colorado Water Conservation District (w); Northglenn, City of (w);

Pueblo Board of Water Works (w);

Pueblo, City of, Department of Utilities (w);

Pueblo County Commissioners (w);

Pueblo West Metropolitan District (w);

Rio Blanco, County of (w);

Rio Grande Water Conservation District (w);

Rocky Ford, City of (w);

St. Charles Mesa Water District (w);
Southern Ute Indian Tribe (w);

Southwestern Colorado Water Conservation
District (w);

Steamboat Springs, City of, Public Works
Department (w);

Thornton, City of (w);

Trinchera Water Conservation District (w);
Uncompahgre Valley Water Users Association (w);
University of Colorado (g);

Upper Arkansas Council of Governments (w);
Upper Arkansas River Water Conservation

District (w);

Upper Eagle Regional Water Authority (w);
Upper Yampa Water Conservancy District (w);
Urban Drainage and Flood Control District (w);

Ute Mountain Indian Tribe (w);
Ute Mountain Reservation (g);

Vail Valley Conservation Water District (w);
Westminster, City of (w);

Yellow Jacket Water Conservancy District (w)

Connecticut

Connecticut Department of

Environmental Protection (g,n,w),
Transportation (w);

Fairfield, Town of, Conservation Department (w);
New Britain, City of, Board of Water
Commissioners (w);

Norwich Sewer Authority (w);

South Central Connecticut Regional Water
Authority (w);

Torrington, City of (w)

Delaware

Geological Survey (n,w)

District of Columbia

Department of Public Works (w); Metropolitan Washington Council of Governments (w)

Florida

Bay County Utilities (w);
Boca Raton, City of (w);
Bradenton, City of (w);

Broward County Office of Natural Resources
Protection (w);

Cape Coral, City of (w);
Cocoa, City of (w);
Collier, County of (w);
Daytona Beach, City of (w);
Florida Department of—

Environmental Regulation (w),
Natural Resources (w)-

Division of Survey and Mapping (n),
Transportation (n,w);

Florida Institute

Food and Agricultural Sciences (w),
Phosphate Research (w);

Florida Keys Aqueduct Authority (w);
Fort Lauderdale, City of (w);

Game and Freshwater Fish Commission (w);

Hallandale, City of (w);

Highland Beach, Town of (w);

Hillsborough, County of (w);

Hollywood, City of (w);

Jacksonville, City of (w);

Jacksonville Electric Authority (w);

Lake, County of (w);

Lake Mary, City of (w);

Lee, County of (w);
Madison, City of (w);

Manatee County

Board of County Commissioners (w),
Environmental Action Commission (w);

Marion, County of (w);

Martin, County of (w);

Metropolitan Dade County (w);

Miami-Dade Water and Sewer Authority (w);

North Port, City of (w);

Northwest Florida Water Management District (w);

Ocala, City of (w);

Palm Beach, County of (w);

Perry, City of (w);

Pinellas, County of (w);

Polk, County of (w);

Pompano Beach, City of (w);

Port Orange, City of (w);

Reedy Creek Improvement District (w);

Sarasota, City of (w);

Sarasota, County of (w);

South Florida Water Management District (w);

South Indian River Water Control District (w); Southwest Florida Water Management District (w); St. Johns, County of (w);

St. Johns River Water Management District (w);

St. Lucie, County of (w);

St. Petersburg, City of (w);
Stuart, City of (w);

Suwannee River Water Management District
(Live Oak) (w);

Tallahassee, City of

Electric Department (w),

Water Quality Laboratory (w);

Tampa, City of (w);

Tampa Bay Regional Planning Council (w);

Tampa Port Authority (w);

University of Miami (g);

University of South Florida (g);
Volusia, County of (w);

Walton, County of (w);

West Coast Regional Water Supply Authority (w); Winter Park, City of (w)

Georgia

Albany, City of (w);

Albany Water, Gas, and Light Commission (w);

Bibb, County of (w);

Blairsville, Town of (w);

Brunswick, City of (w);

California Air Resources Board (w);

Chatham County-Savannah Metropolitan Planning Commission (w);

Chestatee-Chattahoochee Resource Conservation and Development (w);

Clayton County Water Authority (w);
Covington, City of (w);

De Kalb County Public Works Department (w);
Georgia Department of—

Natural Resources (g)—

Water Quality Support Program (w), Geologic Survey (n,w), Transportation (w) —

at Atlanta (w),

at Forest Park (w);

Georgia Mountain Regional Development Center (w);

Georgia State University, Center for

Hydrology (w);

Gwinnett, County of, Preconstruction Division (w);

Helena, City of (w);

Macon-Bibb County Water and Sewage

Authority (w);

Moultrie, City of (w);

Springfield, City of (w);

Thomaston, City of (w);

Thomasville, City of (w);

Tifton, City of (w);

Tifton County Commission (w);

Valdosta, City of (w);

Zebulon, City of (w)

Guam

Guam, Government of, Environmental Protection Agency (w)

Hawaii

Hawaii, County of, Department of Water

Supply (w);

Hawaii Department of

Agriculture, Division of Agriculture Resource
Management (w),

Land and Natural Resources (g)

Division of

Forestry and Wildlife (n),

Water Resource Management (w),

Transportation (w);

Honolulu Board of Water Supply (w);

Honolulu, City and County of, Department of

Public Works (g,w);

Kauai, County of, Department of Water Supply (w);

Maui, County of, Department of Water Supply (w); Office of State Planning (n)

Idaho

Bonner County Commissioners (w); Coeur d'Alene Tribe of Idaho (w); College of Southern Idaho (w); Idaho Department of—

Health and Welfare (w), Water Resources (w); Nampa, City of (w);