1. Preliminary field-report of the United-States Geological Survey of Colorado and New Mexico, conducted, under the authority of the Secretary of the Interior, by F. V. Hayden, United-States Geologist. With a report on the mines and minerals of Colorado,

Published in Annals And Magazine of Natural History, in 1870, in volume 6, pages 483

Date published:1870

DOI: 10.1080/00222937008696298
BHL: 29405007
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