Industrial sites, Texas Gulf Sulfur Potash Mine at Kane Creek, pollution and crops, mine and mill waste, Launder precipitation plant, industrial processes, copper precipitate settling basins, leaching farm, distribution pond, scrap iron charging equipment, make-up water reservoir, flyash micro phototgraph, spherical glass particulates, Utah Power and Light coal-burning Huntingdon Plant

Irrigation pumps and valves, Nephi field station, native plants, ditch construction, Yakima project, weed removal, water hemlock, Sunnyside canal, gravity flow, irrigation system structures, Paiute Reservoir, moveable sprinkler pipe

Irrigation reservoir, Palisades project, Collbran project (Colorado), Logan City concrete reservoir before and after lining with plastic, concrete stilling basin, Wanship dam, seaming polyethylene, vinyl film, reservoir construction and lining, open-storage rain trap, water storage, drawings of irrigation methods, gated tubing, membrane lining, L-metergate, Cutler dam, Deer Creek reservoir,

Yakima project, William Farmer, Frank Webster, ditchbank, Provo River stilling pool and chute, ditchbank plants, Wind and Water Flume Study, hydraulics, Fluid Dynamics and Diffusion Laboratory, meteorological wind tunnel, ion engine vacuum tank, Dean Gillman, Bear River estuary, contour border, flood control,wooden flumes, children taking water samples

Students, historic lab equipment, petri dishes with E. coli, dairy scientists, bovine oocyte, test tubes, Unknown Growth Factor (UGF), experimental substitutes for hay, Al Rivers, vet science, nematodes from ruminants, weather gauge, microscopic views

Pollution, logging, charcoal production and briquetting plant near Cedar City, rural subdivisions in Southern Utah, housing in Park City, UT

Two views of a milk tanker

photographs and negatives of a man posing at a mine ("Don the Miner")

Arrowheads, woven rug

Portraits of John A. Widstoe, Kenneth Wilford Hill, Elmer Darwin Ball, Rudger Harper Walker, David Wynne Thorne, Phillip Vincent Cardon, William Peterson, Jeremiah Wilson Sanborn, Josiah H. Paul, other individuals unidentified. Dates of service range from 1890 to 1974.