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Preliminary report on geology of the phosphate deposits in the Centennial Range, Montana-Idaho (open access)

Preliminary report on geology of the phosphate deposits in the Centennial Range, Montana-Idaho

A preliminary report on the geology of the phosphate deposits located in the Centennial Range in Montana and Idaho.
Date: May 1953
Creator: Honkala, Fred S.
Object Type: Report
System: The UNT Digital Library

Union Pacific (UP) 3836

A photograph print showing the Union Pacific (UP) 3836, 4-6-6-4, on the head of northbound mixed freight train No. 277 , climbing a very heavy grade near Spencer, ID. Locomotives 3809 and 3813 pushing, 70 cars, 35 mph. [Note: U.P. Butte Line]
Date: May 30, 1948
Creator: Griffiths, Henry R.
Object Type: Photograph
System: The Gateway to Oklahoma History