00658nam a22002171 4500 gs 10000291 DLC 20260227111310.0 861114s1910 dcu f00000 eng gs 10000291 //r86 DLC/ICU ICU n-us--- QE75 .C7 QE75 .C7 Copy 2 Copy 2. Geological Survey (U.S.) Cooperation between the United States and various states in topographic, hydrographic, and geologic work. Washington, Govt. print. off., 1910. 32 p. 25 cm. Geological Survey (U.S.) Geological surveys. 24919 24919