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View Arithmetic for Business with Short Methods and Rapid Calculations in All Fundamental Processes ... By Jacob Henry Minick ,Clement Carrington Gaines 
Arithmetic for Business with Short Methods and Rapid Calculations in All Fundamental Processes ...
By Jacob Henry Minick ,Clement Carrington Gaines
View Bibliography and Index of North American Geology, Paleontology, Petrology ... By Fred Boughton Weeks ,United States Geological Survey 
Bibliography and Index of North American Geology, Paleontology, Petrology ...
By Fred Boughton Weeks ,United States Geological Survey