A. Mount Taylor and the Zuni Plateau, by Clarence Dutton, published 1885. From the sixth annual report, quarto, 93 pp. and 11 plates including the Geologic Map of Northwestern New Mexico, which shows the Navajo and Zuni reservations. Condition: Disbound, text and plates are very clean and bright with the first and last few pages loose.

B. Pre-Cambrian Igneous Rocks of the Unkar Terrane…, by Charles Walcott, published 1894. From the fourteenth annual report, quarto, 27 pp. with 6 plates including the Geological Map of the Eastern Section of the Colorado Canyon. Condition: Completely disbound and should be considered a collection of loose sheets. Text and pages are clean and bright.

References:

Condition: B+

See descriptions above. Code is for the maps.