Negro Hill Deposit

Producer in Mariposa county in California, United States with commodity Slate, Dimension
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10261003
MRDS ID M009791
MAS/MILS ID 0060430527
Record type Site
Current site name Negro Hill Deposit
Alternate or previous names Nigger Hill Deposit

Comments on the site names

  • The original site name contained a derogatory word that has been changed according to Department of the Interior policy outlined at http://geonames.usgs.gov/docs/pro_pol_pro.pdf. See Chap. 3, Policy V. The revised form of the name now appears in the permanent record as the "Current" or preferred site name, and the prior, derogatory name is labeled "Previous".

Geographic coordinates

Point of reference Geographic coordinates: Elevation UTM Precision Relative position Point location
Trench -119.97488, 37.51933 (WGS84) 777 1000 (data from MAS)
(click for info)
-120.0057, 37.48326 (WGS84) N. END OF NEGRO HILL CLOSE TO AGUA FRIA CR. & HIGHWAY 140. (DATA FROM ORIGINAL MRDS)

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Feliciana Mountain(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005 S 018 E 21 California

Commodities

Commodity Importance
Slate, Dimension Primary

Nearby scientific data

Trench (1) -119.97488, 37.51933
(2) -120.0057, 37.48326

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Operator
    Owner Lee I. Rowland

Comments on the production information

  • The Only Slate Property That Has Produced Flagstone In Recent Years. There Has Been A Small Intermittent Production From This Place, Sold Locally And Called For By The Customer. Some Production In 1957.

Reference information

Bibliographic references

  • Deposit

    U.S. Bureau Of Mines Yearbook 1957, V. 3, P. 226

  • Deposit

    Calif. Jour. Mines and Geology, V. 53, Nos. 1 and 2, Jan.-April, 1957, Pp. 218, 342

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.