37 x 50 cm. Prime meridian: Washington, D.C. Relief shown by hachures and spot heights. "Issued May 7th, 1877. 2nd ed., June 30th, 1881." "Atlas sheet no. 77(B)." "Expeditions of 1871 & 1786 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Weyss, Herman & Lang, del." Probably originally published as part of the geological atlas which is an appendix to the Surveys' Report upon United States geographical surveys west of the one hundredth meridian. Geological map. "Prof. John J. Stevenson, geological assistant." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

Photograph taken in Boulder City, October 1953. Switchboard of first board in Boulder City, Nevada. One 2 -position unit in foreground was added to original when moved to Boulder City office. First marriage by telephone performed on this unit. Standing is Mrs. Edith R. Gregory, first chief operator of LV. Next to Gregory is Mrs. Ann Gieck, and in foreground is Mrs. Katherine Bush.

U.S. Bureau of Reclamation. Boulder City housing developments, 1978.

Boulder City, panorama of houses, view from the water tank. From this angle of Boulder City, the Boulder Theater building that contains the Boulder Dam Service Bureau (left) can be seen, along with the Boulder Dam Hotel (center), Boulder Cafe (center), and a Texaco service station (right).