1928 measurements of creeks and drains; record of water pumped (1929-1930); 1931 measurements – Pathfinder to state line; 1929-1935 discharge measurements for the North Platte and associated diversions; 1931 field trip measurements and notes; 1934-1935 discharge measurements for pumps and ditches plus records of pump hours; 1935 North Platte measurements from Pathfinder to the state line including storage, gauge, and discharge, inflows and diversions (rolled tables and reduction)(1929, 1935-36); 1947 North Platte River discharge measurements above Seminoe Reservoir; 1951 North Platte River summaries including storage, inflow and outflow measurements from Seminoe Reservoir to the state line (rolled file); 1951-1952 gauge and discharge measurements for North Platte tributaries; Daily Gauge Height record with measurements for the North Platte River and some of its tributaries and diversions (1970); North Platte River hydrographs (undated).