| Deposit ID | 10128605 |
|---|---|
| MRDS ID | MO13439 |
| MAS/MILS ID | 0410330188 |
| Record type | Site |
| Current site name | Martha Mine |
| Alternate or previous names | Greenback Group |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -123.30785, 42.66902 (WGS84) |
| Elevation | 975 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Josephine(county)
Oregon(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Golden(quadrangle 1:24,000 scale)
Canyonville(quadrangle 1:100,000 scale)
Medford(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Rogue(hydrologic unit)
Southern Oregon Coastal(hydrologic accounting unit)
Oregon-Washington Coastal(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management OR)
Bureau of Land Management OR BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Oregon | Josephine |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 033 S | 005 W | 28 | SWSE | Oregon |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Main Entrance (1) | -123.30785, 42.66902 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Prospect |
| Commodity type | Metallic |
| Significant | No |
| Type of mineral rights | Patented |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Cambiex Usa, Inc. |
| Year | 1993 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0410330188 | |
| USGS | Mineral Resources Data System | MRDS | MO13439 | MAS references MRDS |
OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 14-C, 1942,
VOL. 2, P. 112.
OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 61, 1968, P. 230.
OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 100, 1979,
PLATE 2, NO. 62.
DOGAMI MLR 17-0106
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 28-MAY-93 | Ridenour, James | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 12/10/2024 |
|---|---|
| MSHA mine ID | 3503826 |
| Mine name (MSHA) | Martha Mine |
| Current operator | Summitt Mining, LLC |
| Current controller (parent) | Scott R Nelson |
| Mine type | Underground (Metal / non-metal) |
Inferred by coordinate + name similarity (1047 m, 1.00 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.