Biennial report of the State Engineer of the State of Colorado for the years...
Report of the State Engineer to the Governor of Colorado, for the years...
Downloaded from the Colorado Department of Natural Resources, Division of Water Resources website.
NR5/10.1/INTERNET
Library has 1998-
Library has 1885/86 - 1945/46 (missing 1903/04 and 1917/18)
Library has 1881/82 - 1883/84