The series documents the day-to-day operations of the Claremont Heights Irrigation Company and it’s business partnerships with the McCalla Bros. Pump & Drilling Company and the Valley View Water Company. Materials from this series contain general operational information, including water permits, tract maps, and well reports. The operations that produced the decision for this series included finding an abundance of reports ranging from meters and wells to employee labor and salary reports. Notably, the series includes microfilm and well photos that can be viewed through a stereo slide viewer that has been processed at the item level.