Archive Search Results
Showing
1 - 7
of 7
, query time: 0.01s
Format:
Image
The arrastra has been used since the Phoenicians to grind ores, most often gold or silver. The construction involves a circular pit paved with flat stones. Large flat-bottomed drag stones are connected to a center post by a long arm. Using horse, mule or human power, the arm drags the large stones over the ore, crushing it. This arrastra at the Gold Bug Mine was powered by a waterwheel, clearly evident in the photograph. It is a cheap but effective...
Format:
Image
Gold Park and Holy Cross City were the major mining camps in the Holy Cross Mining District. Man with shovel at center foreground.
"Apparently, there were two mills at Holy Cross City. The first, located just below the town, on the west side of the road, was called simply the Holy Cross Mill. It was owned by the Gold Park Mining and Milling Co. which also maintained a similar installation down below. ... Both mills were connected by a direct 2...
Format:
Image
Gold Park and Holy Cross City were the major mining camps in the Holy Cross Mining District.
"Apparently, there were two mills at Holy Cross City. The first, located just below the town, on the west side of the road, was called simply the Holy Cross Mill. It was owned by the Gold Park Mining and Milling Co. which also maintained a similar installation down below. ... Both mills were connected by a direct 2 1/2 mile long flume that bypassed the...
5. Stamp Mill
6. Mill
Format:
Image
The mill building at Holy Cross City.
Gold Park and Holy Cross City were the major mining camps in the Holy Cross Mining District.
"Apparently, there were two mills at Holy Cross City. The first, located just below the town, on the west side of the road, was called simply the Holy Cross Mill. It was owned by the Gold Park Mining and Milling Co. which also maintained a similar installation down below. ... Both mills were connected by a direct 2...