The Hogarth Stamp Mill

The Hogarth Stamp Mill (HM12AR)

Location: Angels Camp, CA 95222 Calaveras County
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Country: United States of America
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N 38° 4.58', W 120° 32.825'

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Inscription
Common in California after 1853, the stamp mill consisted from one to five heavy pillar-like stamps whose bottom, (or shoes), were cylindrical hammers made of iron, each weighing as much as one thousand pounds. Power to operate the stamps was provided by water, steam, or electricity, conveyed by belts to a large wheel. This operated the drive shaft, equipped with machinery that raised each stamp, then released it to drop onto the ore below, crushing it where it was reduced to a size fine enough for the gold to be recovered on the tables below by various methods. These California stamp mills were built so that a single head could crush 1.5 tons of are a day. At one time there were over 300 stamps dropping 24 hours a day in Angels Camp.

While the origin of this five-stamp mill is unknown, it first appears in the public record in November of 1920 when Harry Sr., Harry, Jr., and Alvin Love Hogarth filed an affidavit of labor regarding their mining operation. In 1930 the three men were assessed for personal property that included the Relief Quartz Mine that had an "old five-stamp quartz mill and 4 h.p. (horse power) gasoline engine."

In 2009 the stamp mill was purchased by the City of Angels Camp and placed in conjunction with the original quartz mine water wheel to illustrate the consecutive flow of material through the crushing stamps in order to recover the gold from the pulverized quartz ore.
Details
HM NumberHM12AR
Tags
Placed ByAngels Camp Museum
Marker ConditionNo reports yet
Date Added Saturday, October 25th, 2014 at 9:05pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)10S E 715151 N 4217125
Decimal Degrees38.07633333, -120.54708333
Degrees and Decimal MinutesN 38° 4.58', W 120° 32.825'
Degrees, Minutes and Seconds38° 4' 34.80" N, 120° 32' 49.50" W
Driving DirectionsGoogle Maps
Area Code(s)209
Closest Postal AddressAt or near 667 S Main St, Angels Camp CA 95222, US
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