Manuscripts
Y and Cross Canyons. The slump block is lower
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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

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
Manuscripts
mssMarston papers V006/0074



