l!3-4 THE UNITED STATES GEOLOGICAL SUKVEY. [bull.227. 
Folios of the Geologic Atlas of the United States — Continued. 
Name of folio. 
State. 
Limiting 
meridians. 
Limiting 
parallels. 
Area. 
Sq. miles. 
39° 45'-40° . . 
229 
39°-39° 30' . . 
925 
40°-40° 15' . . 
228 
37° 30'-38° . . 
944 
38°-38° 30' . . 
938 
38° 45'-39° . . 
465 
370.370 30 / _ _ 
950 
38°-38° 30' . . 
938 
43°-43° 30' . . 
871 
34°30'-35° .. 
980 
36°-36° 30' . . 
963 
30°-30° 30' . . 
1,030 
37°30'-38° .. 
944 
34°-34° 30' . . 
986 
34°-34° 30' . . 
986 
36°30'-37° .. 
1,913 
41° 30'-42° . . 
892 
390 45M0° . . 
458 
40° 30'-41° . . 
906 
38°-38° 30' . . 
938 
43°-43° 30' . . 
871 
46° 30'-47° . . 
820 
41° 30'-42° . . 
892 
41° 30'-4'2° . . 
892 
42° 30'-43° . . 
878 
36°-36° 30' . . 
963 
42°-42° 30' . . 
885 
41°45'-42° .. 
223 
41°45'-42° .. 
445 
40°-40°15' .. 
457 
35° 30'-36° . . 
969 
43°-43° 30' . . 
871 
43°-43° 30' . . 
871 
34°- 34° 30' . . 
986 
43° 30'-44° . . 
864 
43° 30'-44° . . 
864 
35°-35°30' .. 
975 
40°30'-40°45' 
227 
43°30'-44° .. 
864 
43°-43° 30' . . 
871 
38°-38°30' .. 
938 
47°-47° 30' . . 
805 
Tintic Special 
Colfax 
Danville 
Walsenburg 
Huntington 
Washington 
Spanish Peaks 
Charleston 
Coos Bay 
Coalgate 
Maynardville 
Austin 
Raleigh 
Rome 
Atoka 
Norfolk 
Chicago 
Mason town-Uniontown. . . 
New York City 
Ditney 
Oelrichs 
Ellensburg 
Camp Clarke 
Scotts Bluff 
Port Orf ord 
Cranberry 
Hartville 
Gaines 
Elkland-Tioga 
Brownsville-Connellsville 
Columbia 
Olivet 
Parker 
Tishomingo 
Mitchell 
Alexandria 
San Luis 
Indiana 
Nampa 
Silver City 
Patoka 
Mount Stuart 
Utah 
California 
(Illinois 
[Indiana 
Colorado 
[West Virginia . . 
[Ohio 
[District of Co- 
lumbia. 
j Virginia 
(Maryland 
Colorado 
West Virginia .. 
Oregon 
Indian Territory 
Tennessee 
Texas. 
West Virginia . . 
[Georgia 
[Alabama 
Indian Territory 
JVirginia 
[North Carolina . 
[Illinois 
[Indiana 
Pennsylvania .. 
JNew York 
[New Jersey 
Indiana 
[South Dakota . . 
[Nebraska 
Washington 
Nebraska 
Nebraska 
Oregon 
Tennessee 
Wyoming 
[Pennsylvania .. 
[New York 
Pennsylvania .. 
Pennsylvania .. 
Tennessee 
South Dakota... 
South Dakota... 
Indian Territory 
South Dakota... 
South Dakota... 
California 
Pennsylvania .. 
ITdaho 
[Oregon 
Idaho 
[Indiana 
[Illinois 
Washington 
111° 55'-112° 10' . 
120° 30'-121° 
87° 30'-87° 45' . . . 
104° 30'-105° 
82°-82° 30' 
•76°45'-77°15'... 
104° 30'-105° . . . . 
81°30'-82° 
124°-124°30' .... 
96°-96° 30' 
83° 30'-84° 
97° 30'-98° 
81°-81° 30' 
85°-85° 
96°-96° 30' 
75° 30'-76° 30' . . . 
87° 30'-88° 
79° 30'-80° 
73° 45'-74° 15' . . . 
87°-87° 30' . . 
a03°-103° 30' 
120° 30'-121° 
103°-103° 30' 
103° 30'-104° 
124°-124° 30' 
81° 30'-82° . . 
104° 30'-105° 
^77°30'-77°45'... 
77°-77° 30' . . 
79° 30'-80° . . 
87°-87° 30' . . 
97° 30'-98° . . 
970.970 30 / _ . 
96° 30'-97° . . 
98°-98° 30' . . 
97° 30'-98° . . 
120° 30'-121° 
79°-79° 15' . . 
116° 30'-117° 
116° 30'-117° 
87° 30'-88° 
120°30'-121° .... 
