Manuscripts
Down Cataract Canyon from about Mile 110 1/2 to Tilted Park with the mouths of Y and Cross Canyons left of center and the slump block at right
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Down Cataract Canyon from the rim near Mile 210.5 to Tilted Park. The mouths of Y and Cross Canyon are upper left center. The slump block is upper right
Manuscripts
mssMarston papers V006/0073
Across Surprise Valley to Cataract Canyon and Y and Cross Canyons. The tilt block opposite the mouth of Y Canyon is left of center
Manuscripts
mssMarston papers V008/0100
