Reconnaissance map of a portion of the Rocky Mountains between latitudes 49° & 51°30' / geologically colored by George M. Dawson ; compiled and drawn by L.N. Richard, A.E. Barlow and James White.
15536334
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Beinecke Rare Book and Manuscript Library > Reconnaissance map of a portion of the Rocky Mountains between latitudes 49° & 51°30' / geologically colored by George M. Dawson ; compiled and drawn by L.N. Richard, A.E. Barlow and James White.