Collection Items
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Photo, Print, Drawing1. POWER HOUSE, VIEW TO EAST - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing2. POWER HOUSE, VIEW TO SOUTHEAST WITH PACIFIC GAS AND ELECTRIC SUBSTATION IN FOREGROUND - Yosemite ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing3. POWERHOUSE, PLAQUE ON SOUTH WALL AT ENTRY - Yosemite Hydroelectric Power Plant, Highways 120 & ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing4. POWERHOUSE, PLAQUE ON SOUTH WALL AT ENTRY - Yosemite Hydroelectric Power Plant, Highways 120 & ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing5. POWERHOUSE, PELTON-FRANCIS TURBINES (GENERATORS) [UNITS NOS. 1 AND 2] WITH REGULATOR PANEL AT LEFT AND ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing6. POWERHOUSE, PELTON-FRANCIS TURBINE (GENERATOR), [UNIT NO. 2] - Yosemite Hydroelectric Power Plant, Highways 120 & ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing7. POWERHOUSE, PELTON-FRANCIS TURBINE (GENERATOR), [UNIT, NO. 1] - Yosemite Hydroelectric Power Plant, Highways 120 & ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing8. POWERHOUSE, PELTON-FRANCIS TURBINE (GENERATOR) - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing9. POWERHOUSE, REGULATOR PANEL - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, Mariposa ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing10. POWERHOUSE, TRANSFORMER - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, Mariposa County, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing11. SCREENHOUSE, VIEW TO SOUTH/SOUTHWEST - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing12. SCREENHOUSE, VIEW TO SOUTH/SOUTHWEST - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing13. SCREENHOUSE, VIEW TO SOUTH/SOUTHWEST - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing14. SCREENHOUSE, DRIVE WHEEL ON SCREEN - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing15. SCREENHOUSE, MAIN GATE (INTAKE) AS MANUALLY OPERATED ORIGINALLY [NOW CONTROLLED HYDRAULICALLY] - Yosemite Hydroelectric Power ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing16. SCREENHOUSE, ROTATING SCREEN FOR FILTERING WATER - Yosemite Hydroelectric Power Plant, Highways 120 & 140, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing17. DIVERSION DAM, VIEW TO SOUTH/SOUTHWEST WITH SCREENHOUSE, PLATFORM, AND INTAKE AT RIGHT - Yosemite Hydroelectric ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing18. DIVERSION DAM, VIEW TO EAST WITH SCREENHOUSE BEHIND TREES AT LEFT - Yosemite Hydroelectric Power ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing19. DIVERSION DAM, VIEW TO SOUTH - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing20. PENSTOCK, VIEW TO NORTH NEAR SCREENHOUSE WITH HIGHWAY 140 IN FOREGROUND - Yosemite Hydroelectric Power ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing21. PENSTOCK, VIEW TO SOUTHWEST WITH NO. 1 BUTTERFLY VALVE FOR AUTOMATIC SHUTOFF JUST BELOW SCREENHOUSE ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing22. PENSTOCK, VIEW TO NORTHEAST FROM HIGHWAY 140 JUST EAST OF NO. 1 BUTTERFLY VALVE - ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing23. PENSTOCK, VIEW TO SOUTHEAST - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing24. PENSTOCK, VIEW TO EAST NEAR HIGHWAY 140 - Yosemite Hydroelectric Power Plant, Highways 120 & ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing25. PENSTOCK, VIEW TO SOUTH - Yosemite Hydroelectric Power Plant, Highways 120 & 140, Yosemite Village, ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing26. PENSTOCK, VIEW TO NORTHWEST WITH STEEL CAT WALK AND PENSTOCK PORTION - Yosemite Hydroelectric Power ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing27. PENSTOCK, VIEW TO NORTH/NORTHWEST WITH TRESTLE IN FOREGROUND - Yosemite Hydroelectric Power Plant, Highways 120 ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing28. Photocopy of microfiched construction drawing by Pelton Water Wheel Company, San Francisco, California, dated May ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing29. Photocopy of microfiched construction drawing by Pelton Water Wheel Company, San Francisco, California, dated Feb. ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing30. Photocopy of microfiched construction drawing by Pelton Water Wheel Company, San Francisco, California, dated 6-24-31. ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing31. Photocopy of microfiched construction drawing by Pelton Water Wheel Company, San Francisco, California, originally dated ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing32. Photocopy of microfiched construction drawing by Pelton Water Wheel Company, San Francisco, California, dated 4-19-47. ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing33. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated originally ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing34. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated originally ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing35. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated March ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing36. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated April ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing37. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated originally ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing38. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated originally ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing39. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated July ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record
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Photo, Print, Drawing40. Photocopy of microfiched construction drawing by Galloway & Markwart Engineers, San Francisco, California, dated July ...
- Contributor: San Joaquin Light and Power Company - Wambeh, Joanne - Pelton Water Wheel Company - Pacific Gas and Electric Company - Floy, Henry - Markwart, a H - Galloway, John Debo - Huston, Ann - Kenkel, Craig - Mather, Stephen - Cloyd, Paul C - Historic American Engineering Record