REPORT 



ON 



ASTEONOMICAL OPEKATIONS, 



CONDUCTED DUKING 



THE FIELD-SEASON OF 1872, 



AT THE 



MAIN OR PRIMARY FIELD-STATION, CHEYENNE, WYOMING TERRITORY, 



DEDUCTION OF RESULTS. 



BY 



DR. F. KAMPF AND J. H. CLARK, 



CIVILIAN ASTRONOMICAL ASSISTANTS, 



