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170 results containing "Archimede, Gianfranco"
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29. DETAIL OF CLASSIFIER, LOOKING NORTH NORTHWEST. THIS MACHINE WAS USED TO SEPARATE SLIMES FROM SANDS TO PREPARE THE WET ORE PULP FOR CYANIDE PROCESSING. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-29 | HAER CA-290-29 -
30. DETAIL OF PIPE FEED SYSTEM TO CLASSIFIER, LOOKING EAST. THIS PIPE WAS MOUNTED ALONG THE JOISTS AT TOP, ALIGNING WITH THE TWO SMALLER PIPES PROTRUDING DOWNWARD FROM THE JOISTS. THESE PIPES CONVEYED PULP MATERIAL FROM THE STAMP APRONS ON THE UPPER FLOOR TO THE CLASSIFIER, SEEN IN THE DISTANCE AT CENTER. THE STRUCTURAL SUPPORTS AT CENTER LEFT WREE ADDED AS PART OF THE ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-30 | HAER CA-290-30 -
31. DETAIL OF CONCRETE FOOTINGS FOR STAMP BATTERIES AND POWER TRAIN, LOOKING EAST. SEE CA-290-49 (CT) FOR IDENTICAL COLOR TRANSPARENCY. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-31 | HAER CA-290-31 -
32. DETAIL OF MAIN DRIVE WHEELS AND BELT TENSIONING DEVICE OF MAIN POWER TRAIN, LOOKING SOUTHEAST, LOOKING FORM BEHIND THE CLASSIFIER. THESE WHEELS DROVE THE BULL WHEELS ON THE STAMP BATTERIES ABOVE. THE TENSIONING DEVICE AT CENTER RIGHT CONTROLLED THE SPEED OF THE STAMPS. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-32 | HAER CA-290-32 -
33. DETAIL OF CONCRETE SUPPORTS INTERGRATED WITH MASONRY FOUNDATION OF MILL, LOOKING SOUTHWEST. ROTTED VERTICAL STRUCTURAL TIMBER AT CENTER WAS REINFORCED AND EXTENDED DURING THE STABILIZATION OF THE MILL IN THE EARLY 1990'S. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-33 | HAER CA-290-33 -
34. DETAIL OF CONCRETE SUPPORTS INTERGRATED WITH MASONRY FOUNDATION OF MILL, WITH SIX FOOT SCALE, LOOKING SOUTHWEST. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-34 | HAER CA-290-34 -
35. DETAIL OF TRAMWAY/WALKWAY OVER CYANIDE TANKS, LOOKING EAST. CLASSIFIED SANDS WERE LOADED INTO SMALL TRAM CARS FROM THE SPOUT OF THE CLASSIFIER IN THE DISTANCE AT CENTER AND CONVEYED BY HAND TO BE DUMPED INTO THE TANKS BELOW. - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-35 | HAER CA-290-35 -
36. OBLIQUE VIEW OF CYANIDE TANKS, LOOKING EAST SOUTHEAST, SHOWING TANK SUPPORTS AND MASONRY FOUNDATIONS. THE SUPPORTING TIMBERS WERE ADDED DURING THE MILL STABILIZATION EFFORT IN THE 1990'S THE TANKS ARE HANGING OVER THE FOUNDATIONS TO GIVE ACCESS TO THE TRAP DOOR IN THEIR BOTTOMS FOR EMPTYING THE SANDS AFTER PROCESSING (SEE CA-290-37). SEE CA-290-50 (CT) FOR IDENTICAL COLOR TRANSPARENCY. - Skidoo Mine, Park ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-36 | HAER CA-290-36 -
37. DETAIL OF CYANIDE LEACHING TANK DRAIN DOOR AND PIPING SYSTEM. NOTE SPIGOT UNDER BOARD AT UPPER LEFT INSERTS INTO HOLE IN PIPE AT BOTTOM OF FRAME. CYANIDE SOLUTION WAS PUMPED INTO THE TANKS AND THE PREGNANT SOLUTION DRAINED OUT OF THE TANKS THROUGH THIS PIPE, AND BACK INTO A SEPARATE HOLDING TANK ON THE EAST SIDE OF THE MILL. TAILINGS WERE REMOVED FROM ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-37 | HAER CA-290-37 -
38. DETAIL OF RUINS OF CYANIDE MIXING AND EXTRACTION SHED, LOOKING SOUTHEAST. CYANIDE SOLUTION WAS PREPARED HERE AND PUMPED UP INTO THE PROCESSING TANKS, AND THE PREGNANT SOLUTION WAS ALSO EXTRACTED HERE AFTER THE LEACHING PROCESS WAS COMPLETE - Skidoo Mine, Park Route 38 (Skidoo Road), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-290-38 | HAER CA-290-38 -
OVERVIEW OF LOWER TRAM TERMINAL AND STAMP MILL SITE, LOOKING NORTHWEST. THE AERIAL TRAMWAY BEGINS AT THE TERMINAL AND CONTINUES NORTH TO THE UPPER RIGHT. THE FIRST SUPPORT TOWER CAN BE SEEN. JUST BELOW THE WATER TANK IS A LOADING PLATFORM AND TRAM TRESTLE USED FOR THE TRANSPORT OF SUPPLIES THAT LEAD UP TO THE TRAM TERMINAL. ALL THREE LEVELS OF THE FORMER 20 ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-46 (CT) | HAER CA-291-46 (CT) -
DETAIL OVERHEAD VIEW OF SECONDARY ORE BIN, CONVEYOR PLATFORM TRAM TRESTLE, AND LOADING PLATFORM, LOOKING SOUTHWEST. THE HOLE IN THE ORE BIN FLOOR CAN BE SEEN, AND BALL MILL FOUNDATION AT LOWER LEFT CORNER. SEE CA-291-13 FOR IDENTICAL B&W NEGATIVE. - Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-47 (CT) | HAER CA-291-47 (CT) -
DETAIL VIEW OF AERIAL TRAM SUPPORT TOWER SIX WITH TOWERS SEVEN, EIGHT, NINE, TEN, AND BREAK OVER TOWER IN DISTANCE, LOOKING NORTH. TOWER SIX IS THE LAST BEFORE A DEEP CHASM, AS IS SEEN BY THE DISTANCE BETWEEN TOWERS SIX AND SEVEN. SEE CA-291-21 FOR IDENTICAL B&W NEGATIVE. - Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-48 (CT) | HAER CA-291-48 (CT) -
OVERVIEW OF UPPER TRAM TERMINAL, TRAM TRESTLE, AND PRIMARY ORE BIN, LOOKING NORTHEAST. REMAINS OF A BLACKSMITH'S FORGE AND WORK CAN BE SEEN JUST BELOW THE ORE BIN (SEE CA-291-32 FOR DETAIL). ROCK FOUNDATIONS LOCATED JUST ABOVE THE ORE BIN AND ALONG THE FIRST RIDGELINE ARE TENT PADS. SEE CA-291-24 FOR IDENTICAL B&W NEGATIVE. - Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-49 (CT) | HAER CA-291-49 (CT) -
EAST ELEVATION OF UPPER TRAM TERMINAL, PRIMARY ORE BIN, AND TRAM TRESTLE, LOOKING NORTHEAST. WINCHING ENGINE AND ITS FOUNDATION IS AT TOP CENTER. SEE CA-291-28 FOR IDENTICAL B&W NEGATIVE. - Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley Junction, Inyo County, CA
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-50 (CT) | HAER CA-291-50 (CT) -
DETAIL VIEW OF ORE CHARGING CHUTES OF THE UPPER TRAM TERMINAL, LOOKING NORTHWEST TOWARD THE REAR OF THE STRUCTURE. THE ELECTRIC DRIVE MOTOR IS IN THE BACKGROUND AT UPPER RIGHT JUST BEHIND THE DRIVE GEAR. THE BELT FROM THIS MOTOR CONNECTED TO THE WHEEL AT TOP CENTER, WHICH DROVE THE SMALLER GEAR MESHED WITH THE LARGER ONE. THERE ARE NO CONTROL DOORS FOR THESE ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-51 (CT) | HAER CA-291-51 (CT) -
DETAIL VIEW OF WINCHING ENGINE LOCATED AT THE UPPER TRAM TERMINAL, LOOKING NORTHEAST. THE CABLE FROM THIS ENGINE LEADS DOWN INTO THE DEEP RAVINE IN FRONT OF THE UPPER TRAM TERMINAL. IT WAS PROBABLY USED TO DRAG MATERIALS UP TOWARD THE TERMINAL WHEN THE TERMINAL WAS BEING CONSTRUCTED, OR IN TIMES OF TRAMWAY BREAKDOWN. THE DRIVE ENGINE IS IN THE BACKGROUND. TWO LONG OPERATING ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-52 (CT) | HAER CA-291-52 (CT) -
TOP VIEW OF CYANIDE PLANT FOUNDATIONS. ZINC BOXES, TANKS, AND TAILINGS PILES, LOOKING SOUTHWEST FROM MAIN ACCESS ROAD. THE FOUNDATIONS AT CENTER SUPPORTED SIX 25 FT. OR GREATER DIAMETER SETTLING TANKS. IN THE FOREGROUND ARE REMAINS OF TWO PREPARATION TANKS AT LEFT NEXT TO A BUILDING FOOTPRINT AT RIGHT. ZINC BOXES ARE JUST ABOVE THE PREPARATION TANKS ON LEFT. THE WATER TANK AT CENTER ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-53 (CT) | HAER CA-291-53 (CT) -
OVERVIEW OF LOWER TRAM TERMINAL AND RELATIONSHIP TO WATER TANK,LOOKING NORTH FROM MAIN ACCESS ROAD. THIS IS HOW THE TERMINAL AND MILL SITE FIRST APPEAR TO VISITORS WHEN APPROACHING FROM THE ROAD FROM THE SITE'S PARKING LOT. THIS IS CONSIDERED THE FRONT END OF THE TERMINAL. ORIGINALLY THERE WAS A SECOND WATER TANK NEAR THE ONE IN UPPER LEFT. - Keane Wonder Mine, Park ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-1 | HAER CA-291-1 -
OVERVIEW OF LOWER TRAM TERMINAL AND STAMP MILL SITE, LOOKING NORTHWEST. THE AERIAL TRAMWAY BEGINS AT THE TERMINAL AND CONTINUES NORTH TO THE UPPER RIGHT. THE FIRST SUPPORT TOWER CAN BE SEEN. JUST BELOW THE WATER TANK IS A LOADING PLATFORM AND TRAM TRESTLE USED FOR THE TRANSPORT OF SUPPLIES THAT LEAD UP TO THE TRAM TERMINAL. ALL THREE LEVELS OF THE FORMER 20 ...
2000 | 4 x 5 in. | Archimede, Gianfranco
HAER CA-291-2 | HAER CA-291-2
