Core Title Inside of Penstock (10' x 10' Diameter) Accession No. 2011.232 Inside of Penstock (10' x 10' Diameter) Taken During Maintenance. To fill penstock, open pilot-door (SM, SQ,) North Canal is Behind Door. Collection Lawrence History Center General Photograph Collection Format 3"3' x 4"2' Administrative Image Catalog LW-Water Supply, Experiment Station, Water Power Location 2nd Floor - Media Vault - Photo Box Condition Good Display Value Good Cataloged By Yue_ Huang Negative Location 2nd Floor - Media Vault Cataloged On Thu, 02/28/2019 - 12:00 Original/Copy Original Tags canal Penstock Maintenance