Report issued by the Bureau of Mines over studies conducted on the vanadium deposits of Lincoln County, Wyoming. As stated in the introduction, "the work performed by the Bureau of Mines is explained in detail and supplemented with plans, sections, and a complete set of sample analyses. Proposed mining methods are discussed, and metallurgical tests are outlined" (p. 2). This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines over a large chromite deposit on Casper Mountain. Description of the deposit is listed. This report includes tables, maps, and illustrations.

A photograph postcard showing Union Pacific (UP) 4004, 4-8-8-4, on eastbound freight extra emerging from Hermosa Tunnel, WY, 82 cars, 25 mph.

A photograph postcard showing Union Pacific (UP) 4011, 4-8-8-4, on eastbound freight extra, traveling dpwn grade near Sherman, WY, 80 cars, 20 mph.

A photograph postcard showing Union Pacific (UP) 4012, 4-8-8-4, on eastbound freight extra, near Sherman, WY, 69 cars, 25 mph.

A photograph postcard showing Union Pacific (UP) 5526, 2-10-2, and 3998, 4-8-8-4, on westbound mixed freight extra, near Sherman, WY, 113 cars, 35 mph.

A photograph postcard showing Union Pacific (UP) 7034, 4-8-2, Cheyenne, WY.

A photograph postcard showing Union Pacific (UP) 9024, 4-12-2, Cheyenne, WY.

A photograph postcard showing Union Pacific (UP) 993, 983 and 987, diesel-electrics, on westbound passenger train No. 101, "City of San Francisco", with steam loco 2867 pushing, near Sherman, WY, 14 cars, 45 mph.

A photograph postcard showing Union Pacific (UP) 809 and 823, both 4-8-4, on westbound mail train No. 5, "California Fast Mail", leaving Cheyenne, WY, 18 cars, 25 mph.

A photograph print showing Union Pacific (UP) 1242, 4-6-0, at Encampment, WY.

A photograph print showing Union Pacific (UP) 2298, 2-8-2, Cheyenne, WY.

A photograph print showing Union Pacific (UP) 2866, 4-6-2, at Cheyenne, WY.

A photograph postcard showing Union Pacific (UP) 3809, 4-6-6-4, on westbound freight extra traveling downgrade near Red Buttes, WY, 50 cars, 60 mph.

A photograph postcard showing Union Pacific (UP) 3813, 4-6-6-4, and 4010, both 4-8-8-4, on westbound freight extra near Sherman, WY, 108 cars, 35 mph. A 3900-class locomotive on eastbound freight extra in foreground, running about 25 mph.

A photograph postcard showing Union Pacific (UP) 3968, 4-6-6-4, on eastbound freight extra emerging from Hermosa Tunnel, WY, 38 cars, 30 mph.

A photograph postcard showing Union Pacific (UP) 3990 and 3967, 4-6-6-4, both 4-6-6-4, on westbound freight extra, near Sherman, WY, 87 cars, 35 mph.

A photograph postcard showing Union Pacific (UP) 3993 and 3987, both 4-6-6-4, on westbound freight extra near Sherman, WY, 59 cars, 20 mph. Extra x-4023 "dynamited" and broke a coupler knuckle; the 7002 following it down grade can be seen behond the caboose, waiting for repairs to be made. Delay: about 30 minutes.

A photograph postcard showing Union Pacific (UP) 3994 and 3954, both 4-6-6-4, on westbound freight extra at Granite Canyon, WY, 83 cars, 35mph.

A photograph negative showing Chicago & Northwestern (CNW) 1159, 4-6-0, Glen Rock, WY.

A photograph postcard showing the Union Pacific 823, 4-8-4, on 2-24 down Sherman Hill above Buford WY, 15 cars, 35 mph.

A photograph print showing the Union Pacific (UP) 811, 4-8-4, on 1-24 , "Gold Coast", down Sherman Hill above Buford WY, 16 cars, 35 mph

A photograph print showing the Union Pacific (UP) 3990 & 3967, 4-6-6-4's, on extra west up Sherman Hill above Buford WY, 87 cars, 35 mph

A photograph print showing the Union Pacific (UP) 823, 4-8-4, on 2-24 , down Sherman Hill above Buford WY, 15 cars, 35 mph