Border States (clockwise): Ohio, Michigan, Illinois, Kentucky
County formation dates, county seats, county maps see USGENWEB, IN
Natural Boundaried:
Lake Michigan: northwestern border in part, east to west, includes the counties of Laporte, Porter, and Lake
Ohio River: southern border, east to west, includes the counties of Dearborn, Ohio, Switzerland, Jefferson Clark, Floyd, Harrison, Crawford, Perry, Spencer, Warrick, Vanderbergh, and Posey
Wabash River: southwestern border in part, north to south, includes the counties of Vigo, Sullivan, Knox, Gibson, and Posey
Border States (clockwise): Indiania, (Michigan opposite on Lake Michigan), Wisconsin, Iowa, Missouri, Kentucky
County formation dates, county seats, county maps see USGENWEB, IL
Natural Boundaries:
Lake Michigan: eastern border, in part (north of Chicago), north to south, includes the counties of Lake and Cook
Wabash River: eastern border in part (south of Interstate 70), north to south, includes the counties of Clark, Crawford, Lawrence, Wabash, White and Gallatin
Ohio River: southern border, east to west, includes the counties of Gallatin, Harlan, Pope, Massac, Pulaski, and Alexander
Mississippi River: western border, north to south, includes the counties of Jo Daviess, Carroll, Whiteside, Rock Island, Mercer, Henderson, Hancock, Adams, Pike, Calhoun, Jersey, Madison, St. Clair, Monroe, Randolph, Jackson, and Alexander
IOWA:
Border States (clockwise): Illinois, Wisconsin, Minnesota, South Dakota, Nebraska, Missouri
County formation dates, county seats, county maps see USGENWEB, IA
Natural Boundaries:
Mississippi River: eastern border, north to south includes the counties of Allamankee, Clayton, Dubuque, Jackson, Cliinton, Scott, Muscatine, Louisa, Des Moines, and Lee
Big Sioux River: upper northwestern border, north to south, ending at Sioux City, includes the counties of Lyon, Sioux, and Plymouth
Missouri River: western border, starting at Sioux City, north to south, includes the counties of Woodbury, Monona, Harrison, Pottawattamie, Mills, and Fremont
Border States (clockwise): West Virginia, Ohio, Indiana, Missouri, Tennessee, Virginia
County formation dates, county seats, county maps see USGENWEB, KY
Natural Boundaries:
Ohio River: northern border, north to southwest, includes the counties of Greenup, Lewis, Mason, Bracken, Campbell, Kenton, Boone, Gallatin, Carroll, Trimble, Oldham, Jefferson, Bullitt, Hardin, Meade, Breckenridge, Hancock, Daviess, Henderson, Union, Crittenden, Livingston, McCracken, and Ballard
Tug Fork River: lower eastern border, south to north, includes the counties of Pike and Martin
Big Sandy River: upper eastern border, south to north, includes the counties of Lawrence and Boyd
Cumberland Mountains: southeast border in part, east to west, includes the counties of Harland and Bell
Mississippi River: western border, north to south, includes the counties of Ballard, Allen, Hickman, and Fulton
Border States (clockwise): Missouri, Nebraska, Colorado, Oklahoma
County formation dates, county seats, county maps see USGENWEB, KS
Northern Boundaries:
Mississippi River: eastern border, north to south, includes the counties of Doniphan, Atchison, Leavenworth, and Wyandott
Border States (clockwise): Delaware, Pennsylvania, West Virginia, Virginia
County formation dates, county seats, county maps see USGENWEB, MD
Frederick County-Thurmont, in northern Frederick Co., was once called Mechanicstown.
Harpers Ferry, MD see West Virginia
Kent Island: Kent Island is in Queen Anne's County, not Kent County, MD
Eastern Shore of Maryland: counties east of the Chesapeake Bay: includes the counties of Cecil, Kent, Queen Anne's, Talbot, Caroline, Dorchester, Wicomico, Worcester, and Somerset
Western Maryland Counties: Allegany, Garrett, Frederick, and Washington (Montgomery sometimes included in western Maryland
Central Maryland Counties: Anne Arundel, Carroll, Baltimore, Baltimore City, Harford, Howard, Prince George's, Montgomery
Southern Maryland Counties: Calvert, Charles, St. Mary's
Natural Boundaries:
North Branch Potomac River: southern border (most western) in part, includes the counties of Garrett and Allegany
Potomac River: southern border (North Branch Potomac River joins the South Branch Potomac River opposite Green Springs, Hampshire Co., WV), east to south, includes the counties of Allegany, Washington, Frederick, Montgomery, Prince George's, Charles and St. Mary's
Chesapeake Bay Eastern Shore: border, north to south, includes the counties of Harford, Baltimore, Baltimore City, Anne Arundel, Calvert, and St. Mary's
Chesapeake Bay Western Shore: border, north to south, includes the counties of Cecil, Kent, Queen Anne's, Talbot, Dorchester, Wicomico, and Somerset
Atlantic Ocean: eastern border, includes the county of Worcester
Border States (clockwise): Illinois, Iowa, Nebraska, Kansas, Oklahoma, Arkansas, Tennessee, Kentucky
County formation dates, county seats, county maps see USGENWEB, MO
Natural Boundaries:
Mississippi River: eastern border, north to south, includes the counties of: Clark, Lewis, Marion, Ralls, Pike, Lincoln, St. Charles, St. Louis, Jefferson, Ste. Genevieve, Perry, Cape Girardeau, Scott, New Madrid, and Pemiscott
Missouri River: western border in part, north to south (ending at Kansas City), includes the counties of Atchison, Holt, Buchanan, and Platte
Border States (clockwise): Missouri, Iowa, South Dakota, Wyoming, Colorado, Kansas
County formation dates, county seats, county maps see USGENWEB, NE
Washington County-The towns of DeSota and Cumings City no longer exist in Washington Co., NE. DeSota was incorporated into the town of Blair. Cumings City, a mile or two north of the town of Blair, was laid out in lots, but to my knowledge, only a few houses were built, and most of the land is now farm land. The cemetery still remains.
Natural Boundaries:
Missouri River: northeastern border, west to east, in part, includes the counties of Boyd, Knox, Cedar, and Dixon
Missouri River: eastern border, north to south, includes the counties of Dakota, Thurston, Burt, Washington, Douglas, Sarpy, Cass, Otoe, Nemaha, and Richardson
OHIO:
Border States (clockwise): West Virginia, Pennsylvania, Michigan, Indiana, Kentucky
County formation dates, county seats, county maps see USGENWEB, OH
Natural Boundaries:
Lake Erie: northern border in part, east to west, includes the counties of Astabula, Lake, Cuyahoga, Lorain, Erie, Ottawa, and Lucas
Ohio River: eastern and southern border in part, north to south, then east to west, includes the counties of Columbiana, Jefferson, Belmont, Monroe, Washington, Athens, Meigs, Gallia, Lawrence, Scioto, Adams, Brown, Clermont, and Hamilton
Border States (clockwise): Maryland, West Virginia, Kentucky, Tennessee, North Carolina
County formation dates, county seats, county maps see USGENWEB, VA
Counties that became counties in West Virginia in 1863, see West Virginia.
Shenandoah Valley: includes the counties of (north to south): Berkeley and Jefferson in West Virginia; Frederick, Clarke, Warren, Shenandoah, Page, Rockingham, Augusta in Virginia. The cultural Shenandoah region includes 5 more counties: Bath, Highland, Alleghany, Botetourt, and Roanoke.
Wythe County: pronounces 'with', is often mistakenly pronounced and spelled 'White'.
Natural Boundaries:
Potomac River: northeastern border, north to southeast, includes the counties of Loudoun, Fairfax, Arlington, Prince William, Stafford, King George, Westmoreland, and Northumberland
Shenandoah Mountains: upper western border, north to southeast, includes the counties of Frederick, Shenandoah, Rockingham, and Augusta
Allegheny Mountains: mid-western border, north to southwest, includes the counties of Highland, Bath, and Alleghany
Appalachian Mountains: lower western border, north to southeast, includes the counties of Botetourt, Craig, Giles, Montgomery, Bland, and Tazewell
Chesapeake Bay Eastern Shore (Delmarva Penensula): north to south, includes the counties of Accomack and Northampton
Chesapeake Bay Western Shore: north to south, includes the counties of Northumberland, Lancaster, Middlesex, Mathews, Gloucester, York, and James City
Atlantic Ocean: eastern border (Delmarva Peninsula), north to south, includes the counties of Accomack and Northampton
Border States (clockwise): Maryland, Pennsylvania, Ohio, Kentucky, Virginia
County formation dates, county seats, county maps see USGENWEB, WV
Eastern Panhandle: includes the counties of Berkeley and Jefferson; some geographers include Mineral, Hampshire, Grant, Hardy and Pendleton.
Jefferson County, WV: Several biographies state that the person was born or raised in Harpers Ferry, MD: Harpers Ferry is located at the confluence of the Potomac and Shenandoah Rivers, across the Potomac from Washington Co., Maryland; to the compiler's knowledge the area has always been known as 'Sandy Hook', Washington Co., MD.
North Branch of the Potomac River: includes the counties of Grant, Mineral, and Hampshire (headwaters begin in Tucker Co., WV at Kempton or Fairfax Stone)
Northern Panhandle: includes the counties of Hancock, Brooke, Ohio, and Marshall.
Potomac Highlands: includes the counties of Grant, Hampshire, Hardy, Mineral, Pendleton: Pocahontas, Randolph, and Tucker added even though they are not drained by the South Branch of the Potomac River; the North Branch of the Potomac begin at the intersection of Tucker Co., and Garrett Co., MD (at Kempton or Fairfax Stone)
Shenandoah Valley: includes the counties of Berkeley and Jefferson in West Virginia: see Virginia
South Branch of the Potomac River: includes the counties of Pendleton, Grant, Mineral, and Hampshire.
Tygart Valley, WV: includes the counties of Randolph, Barbour, Taylor, and Marion.
Natural Boundaries: