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Jackson Twp., Adams Co., Ohio

5.5 mi SSE of Malakoff, Henderson Co., Texas

2 mi W of San Mateo, Putnam Co., Florida

10 mi. W of Independence, Montgomery Co., Kansas

6 mi. SW of Alma at Arick farm, Crawford Co., Arkansas

Essex Co.: E. Sister Is., Lake Erie, Ontario, Canada

Madison Twp.: Sec. 17: Blacklick Cr., Franklin Co., Ohio

Big Darby Cr at mouth of Buck Run, Union Co., Ohio

Great Smoky Mts Nat'l Park: Tremont Ranger Stn, Tennessee

8 mi SE of New Baden, S. side of Camp Creek Lake, Robertson Co., Texas

Paxton Twp.: Potts Hill, Ross Co., Ohio

Osage R.: about 5 mi. N. of Shell City, Vernon Co., Missouri

Brown Twp.: Moonville, Vinton Co., Ohio

2 mi. S. of Columbus Zoo, Franklin Co., Ohio

Wheeling, Illinois

Wayne Twp: Calamus Swamp at SR 104 and railroad, Pickaway Co., Ohio

Big Bend Nat'l Park: Cattail Falls, Brewster Co., Texas

"Neotoma": head of valley, Hocking Co., Ohio

Guadalupe R., 2 mi SE of Highway 35, Calhoun Co., Texas

Sherman Dr., Fayetteville, Cumberland Co., North Carolina

Pleasant Twp.: Deer Cr., Robinson Rd. bridge, just S. gravel pit, 1.2 mi. SW Kiousville, Madison Co., Ohio

1 mi. from U.S. 52 on Upper Twin Cr. Rd. 2, Scioto Co., Ohio

Liberty Twp.: Leatherlips Riffle of Scioto R., Delaware Co., Ohio

1/4 mile north of Vigo, Ross Co., Ohio

Rt. 219: bog, West Virginia

Wilmington, Shipyard Boulevard, North Carolina

Franklin Twp., Adams Co., Ohio

Lake near Bedias, Madison Co., Texas

Near Holly Springs, Wake Co., North Carolina

Perry Twp.: Sec. 9: Salt Cr., Muskingum Co., Ohio

Newton Twp: Scioto R 5 mi S of Jasper, Pike Co., Ohio

Levi Jackson State Park, Laurel Co., Kentucky

Green Twp.: Blackburn Ridge, Adams Co., Ohio

Green Twp: 2 mi E of Rome on US 52: under rocks, Adams Co., Ohio

Cannaan Twp.: Dow Lake St. Park, Athens Co., Ohio

Brush Cr. Twp.: 1.5 mi. E. of Fort Hill, Highland Co., Ohio

In shale outcrop along US 23, 6 1/2 mi NW Betsy Lane, Floyd Co., Kentucky

Tippecanoe Twp: Tippecanoe R. at Tippecanoe St. Pk, 5.5 mi NNE Winamac, Pulaski Co., Indiana

Range area 2 mi. S. College Station, Brazos Co., Texas

Blue Rock Twp.: Blue Rock State park, Muskingum Co., Ohio

Lee Twp.: Albany, Athens Co., Ohio

Tar R. 1.1 mi NNE of Grimesville, Pitt Co., North Carolina

NW of Athens off S. R. 13, Athens Co., Ohio

on S.R. 169 about 5 mi. S. of Mooring Sport, Caddo Co., Louisiana

Columbus: Olentangy R. S. of Lane Ave. Bridge, Franklin Co., Ohio

2 mi. N. of Bryan, Brazos Co., Texas

on U.S. Rt. 90, near Jones Rd., Duval Co., Florida

Brown Twp.: near Standing Rock, Vinton Co., Ohio

Arthur, Paulding Co., Ohio

Monroe Twp: Little Darby Cr., 1 mi SW of Resaca, Madison Co., Ohio