Section Boundaries
Atlantic Division
Delaware
Eastern Pennsylvania-- the counties of Adams, Berks, Bradford, Bucks, Carbon, Chester, Columbia, Cumberland, Dauphin, Delaware, Juniata, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Montour, Northhampton, Northumberland, Perry, Philadelphia, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Tioga, Union, Wayne, Wyoming, York
Western Pennsylvania-- the counties of Allegheny, Armstrong, Beaver, Bedford, Blair, Butler, Cambria, Cameron, Centre, Clarion, Clearfield, Clinton, Crawford, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Lawrence, McKean, Mercer, Mifflin, Potter, Somerset, Venango, Warren, Washington, Westmoreland
Maryland-DC
Northern New York -- the counties of Clinton, Essex, Franklin, Fulton, Hamilton, Jefferson, Lewis, Montgomery, St. Lawrence, Schoharie
Southern New Jersey -- the counties of Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Mercer Ocean, Salem
Western New York -- the counties of Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango, Cortland, Delaware, Erie, Genesee, Herkimer, Livingston, Madison, Monroe, Niagara, Oneida, Onondaga, Ontario, Orleans, Oswego, Otsego, Schuyler, Seneca, Steuben, Tioga, Tompkins, Wayne, Wyoming, Yates
Western Pennsylvania -- those counties not listed under Eastern Pennsylvania
Central Division
Illinois
Indiana
Wisconsin
Dakota Division
Minnesota
North Dakota
South Dakota
Delta Division
Arkansas
Louisiana
Mississippi
Tennessee
Great Lakes Division
Kentucky
Michigan
Ohio
Hudson Division
Eastern New York -- the counties of Albany, Columbia, Dutchess, Greene, Orange, Putnam, Rensselaer, Rockland, Saratoga, Schenectady, Sullivan, Ulster, Warren, Washington, Westchester
New York City-Long Island -- the counties of Bronx, Kings, Nassau, New York, Queens, Richmond, Suffolk
Northern New Jersey -- the counties of Bergen, Essex, Hudson, Hunterdon, Middlesex, Monmouth, Morris, Passaic, Somerset, Sussex, Union, Warren
Midwest Division
Iowa
Kansas
Missouri
Nebraska
New England Division
Connecticut
Eastern Massachusetts -- the counties of Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk
Maine
New Hampshire
Rhode Island
Vermont
Western Massachusetts -- the counties of Berkshire, Franklin, Hampden, Hampshire, Worcester
Northwestern Division
Alaska
Eastern Washington -- the counties of Adams, Asotin, Benton, Chelan, Columbia, Douglas, Ferry, Franklin, Garfield, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Pend Oreille, Spokane, Stevens, Walla Walla, Whitman, Yakima
Idaho
Montana
Oregon
Western Washington -- the counties of Clallam, Clark, Cowlitz, Grays Harbor, Island, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, San Juan, Skagit, Skamania, Snohomish, Thurston, Wahkiakum, Whatcom
Pacific Division
East Bay -- the California counties of Alameda, Contra Costa, Napa, Solano
Nevada
Pacific -- Hawaii and U.S. possessions in the Pacific
Sacramento Valley -- the California counties of Alpine, Amador, Butte, Colusa, El Dorado, Glenn, Lassen, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yolo, Yuba
San Francisco -- the California counties of Del Norte, Humboldt, Lake, Marin, Mendocino, San Francisco, Sonoma
San Joaquin Valley -- the California counties of Calaveras, Fresno, Kern, Kings, Madera, Mariposa, Merced, Mono, San Joaquin, Stanislaus, Tulare, Tuolumne
Santa Clara Valley -- the California counties of Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz
Roanoke Division
North Carolina
South Carolina
Virginia
West Virginia
Rocky Mountain Division
Colorado
New Mexico
Utah
Wyoming
Southeastern Division
Alabama
Georgia
Northern Florida -- the counties of Alachua, Baker, Bay, Bradford, Calhoun, Citrus, Clay, Columbia, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Gulf, Hamilton, Hernando, Holmes, Jackson, Jefferson, Lafayette, Lake, Leon, Levy, Liberty, Madison, Marion, Nassau, Okaloosa, Orange, Putnam, Santa Rosa, Seminole, St Johns, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington
Southern Florida -- the counties of Brevard, Broward, Collier, Dade, Glades, Hendry, Indian River, Lee, Martin, Monroe, Okeechobee, Osceola, Palm Beach and St. Lucie
West Central Florida -- the counties of Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Manatee, Pasco, Pinellas, Polk, and Sarasota
Puerto Rico
US Virgin Islands
Southwestern Division
Arizona
Los Angeles
Orange -- the California counties of Inyo, Orange, Riverside and San Bernardino
San Diego -- the California counties of Imperial and San Diego
Santa Barbara -- the California counties of San Luis Obispo, Santa Barbara and Ventura
West Gulf Division
North Texas -- the counties of Anderson, Archer, Baylor, Bell, Bosque, Bowie, Brown, Camp, Cass, Cherokee, Clay, Collin, Comanche, Cooke, Coryell, Dallas, Delta, Denton, Eastland, Ellis, Erath, Falls, Fannin, Franklin, Freestone, Grayson, Gregg, Hamilton, Harrison, Henderson, Hill, Hood, Hopkins, Hunt, Jack, Johnson, Kaufman, Lamar, Lampasas, Limestone, McLennan, Marion, Mills, Montague, Morris, Nacogdoches, Navarro, Palo Pinto, Panola, Parker, Rains, Red River, Rockwall, Rusk, Shelby, Smith, Somervell, Stephens, Tarrant, Throckmorton, Titus, Upshur, Van Zandt, Wichita, Wilbarger, Wise, Wood, Young
Oklahoma
South Texas -- the counties of Angelina, Aransas, Atascosa, Austin, Bandera, Bastrop, Bee, Bexar, Blanco, Brazoria, Brazos, Brooks, Burleson, Burnet, Caldwell, Calhoun, Cameron, Chambers, Colorado, Comal, Concho, DeWitt, Dimmit, Duval, Edwards, Fayette, Fort Bend, Frio, Galveston, Gillespie, Goliad, Gonzales, Grimes, Guadalupe, Hardin, Harris, Hays, Hidalgo, Houston, Jackson, Jasper, Jefferson, Jim Hogg, Jim Wells, Karnes, Kendall, Kenedy, Kerr, Kimble, Kinney, Kleberg, La Salle, Lavaca, Lee, Leon, Liberty, Live Oak, Llano, Madison, Mason, Matagorda, Maverick, McCulloch, McMullen, Medina, Menard, Milam, Montgomery, Newton, Nueces, Orange, Polk, Real, Refugio, Robertson, Sabine, San Augustine, San Jacinto, San Patricio, San Saba, Starr, Travis, Trinity, Tyler, Uvalde, Val Verde, Victoria, Walker, Waller, Washington, Webb, Wharton, Willacy, Williamson, Wilson, Zapata, Zavala
West Texas -- the counties of Andrews, Armstrong, Bailey, Borden, Brewster, Briscoe, Callahan, Carson, Castro, Childress, Cochran, Coke, Coleman, Collingsworth, Cottle, Crane, Crockett, Crosby, Culberson, Dallam, Dawson, Deaf Smith, Dickens, Donley, Ector, El Paso, Fisher, Floyd, Foard, Gaines, Garza, Glasscock, Gray, Hale, Hall, Hansford, Hardeman, Hartley, Haskell, Hemphill, Hockley, Howard, Hudspeth, Hutchinson, Irion, Jeff Davis, Jones, Kent, King, Knox, Lamb, Lipscomb, Loving, Lubbock, Lynn, Martin, Midland, Mitchell, Moore, Motley, Nolan, Ochiltree, Oldham, Parmer, Pecos, Potter, Presidio, Randall, Reagan, Reeves, Roberts, Runnels, Schleicher, Scurry, Shackelford, Sherman, Sterling, Stonewall, Sutton, Swisher, Taylor, Terrell, Terry, Tom Green, Upton, Ward, Wheeler, Winkler, Yoakum
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