... that Boiseans pioneered geothermal heat on Warm Springs Avenue in 1892.

PR-100-2326. Semi-steel and bronze 58" and 42,000 lb. balanced valve. Manufactured by
Joshua Henry Iron Works from San Francisco, California. Arrowrock Division, Boise Project, ID.
Unknown photographer (not USBR). October, 1914.

Infrastructure

Assaying and Refining Works
Barber Dam and Park
Barber Mill
Beginning of the New York Canal
Boise City Canal Company
Boise Electric Plant
Boise Natural Hot Water Heating System
Boise Parks
Boise Project History
Boise Rail Service
Boise Sandstone
Boise Street Renumbering

Boise Valley Electric Railroads
Boise Water Companies
Boise, Nampa, and Owyhee Railroad
Building Chronology
Davis Canal
Deer Flat and Arrowrock
Diversion Dam
Early Irrigation Canals Pre-project Ventures
Ridenbaugh-Rossi Mill Ditch
The Founding and Construction of the Penitentiary
Water Supply Information