I 19.5/1:197
|
Columbus folio, Ohio / |
1 |
I 19.5/1:198
|
Castle Rock folio, Colorado / |
1 |
I 19.5/1:199
|
Silver City folio, New Mexico / |
1 |
I 19.5/1:200
|
Galena-Elizabeth folio, Illinois-Iowa / |
1 |
I 19.5/1:201
|
Minneapolis-St. Paul folio, Minnesota / |
1 |
I 19.5/1:202
|
Eureka Springs-Harrison folio, Arkansas-Missouri / |
1 |
I 19.5/1:203
|
Colorado Springs folio, Colorado / |
1 |
I 19.5/1:204
|
Tolchester folio, Maryland / |
1 |
I 19.5/1:205
|
Detroit folio : Wayne, Detroit, Grosse Pinte, Romulus, and Wyandotte quadrangles, Michigan / |
1 |
I 19.5/1:206
|
Leavenworth-Smithville folio, Missouri-Kansas / |
1 |
I 19.5/1:207
|
Deming folio, New Mexico / |
1 |
I 19.5/1:208
|
Colchester-Macomb folio, Illinois / |
1 |
I 19.5/1:209
|
Newell folio, South Dakota / |
1 |
I 19.5/1:210
|
Herman-Morris folio : Herman, Barrett, Chokio, and Morris quadrangles, Minnesota / |
1 |
I 19.5/1:211
|
Elkton-Wilmington folio, Maryland-Delaware-New Jersey-Pennsylvania / |
1 |
I 19.5/1:212
|
Syracuse-Lakin folio, Kansas / |
1 |
I 19.5/1:213
|
New Athens-Okawville folio, Illinois / |
1 |
I 19.5/1:214
|
Raton-Brilliant-Koehler folio, New Mexico-Colorado / |
1 |
I 19.5/1:215
|
Hot Springs folio, Arkansas / |
1 |
I 19.5/1:216
|
Carlyle-Centralia folio, Illinois / |
1 |