PP 872 plate 1 - U.S. Geological Survey Publications … 1 Barbara pR0FlLE A Leyden Gulch Artificial...
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PP 872 plate 1 - U.S. Geological Survey Publications … 1 Barbara pR0FlLE A Leyden Gulch Artificial fill Artificial fill 01 PROFILE B C \ Ralston Creek PROFILE C Van Bibber Creek