Hillsboro, New Mexico

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Hillsboro, New Mexico
unincorporated community
Hillsboro New Mexico Community Center
Coordinates: 32°55′N 107°34′W / 32.917°N 107.567°W / 32.917; -107.567
CountryUnited States
StateNew Mexico
CountySierra
Area
 • Total2.13 sq mi (5.5 km2)
Population (2010)
 • Total124
 • Density58/sq mi (22/km2)
Time zoneMountain
 • Summer (DST)Mountain (UTC)
ZIP code88042
Area code(s)575
 
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Hillsboro, New Mexico
unincorporated community
Hillsboro New Mexico Community Center
Coordinates: 32°55′N 107°34′W / 32.917°N 107.567°W / 32.917; -107.567
CountryUnited States
StateNew Mexico
CountySierra
Area
 • Total2.13 sq mi (5.5 km2)
Population (2010)
 • Total124
 • Density58/sq mi (22/km2)
Time zoneMountain
 • Summer (DST)Mountain (UTC)
ZIP code88042
Area code(s)575

Hillsboro is a small unincorporated community in Sierra County, New Mexico, United States, located in the southwestern part of the state. It was founded in 1877, following the discovery of gold. The community was the county seat of Sierra County from 1884 until 1936 when Hot Springs (now called Truth or Consequences) became the county seat. Between 1893 and 1898, 100,000 troy ounces (3,000 kg) of gold were produced there.

Geology[edit]

The first house was built in August 1877 after two prospectors working in the area of the future Opportunity Mine, collected loose pieces of rock (float is the geologic term) assayed at $160 per ton in gold and silver. Soon, ore was discovered at the nearby Rattlesnake vein (geology) and a placer deposit of gold was found in November at the Rattlesnake and Wicks gulches. Ore was pulverized with arrastres located in Hillsboro, including a 10-stamp mill built in 1878. Total production prior to 1904 was about $6,750,000. Between 1911 and 1931, total production of gold, silver and copper was about $150,000.[1] In his report, Harley wrote, "The ore deposits of the Hillsboro or Las Animas mining district are of four general types as follows: (1) fissure veins in andesite flows, (2) disseminated deposits in monzonite porphyry, (3) replacement deposits in limestone, and (4) placer gold deposits."[2]

Famous Residents[edit]

Physician and American Civil War veteran C.C. Crews

Popular Culture[edit]

Notes[edit]

  1. ^ Harley, pp 139-140
  2. ^ Harley, p 133)

References[edit]

External links[edit]

Coordinates: 32°55′15″N 107°34′01″W / 32.92083°N 107.56694°W / 32.92083; -107.56694