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1875

Map, hot springs, United Sta …

Wheeler, G.M.

2220.067

1875

Sketch, Canon San Diego, Ojo …

Wheeler, G.M.

2220.077

1881

Section along 36th parallel …

Wheeler, G.M.

2220.078

1881

Section along 37th parallel, …

Wheeler, G.M.

2220.079