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1875

Pebbles carved by sand, Colorado River.

Exploration Book

Pebbles carved by sand, Colorado River. …

1875

Rock carved by the Colorado.

Exploration Book

Rock carved by the Colorado. (1875)

1873

Title Page: Geological atlas ... West of …

National Atlas

(Title Page to) Geological Atlas Project …

1873

Cover: Geographical Explorations & Surve …

National Atlas

(Cover to) Geographical Explorations And …

1876

Composite: Geological Atlas Sheets

National Atlas

(Composite map of) All Wheeler Geologica …

1876

Composite: Index to Geological Atlas She …

National Atlas

(Composite map of) Index of all Wheeler …