1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Bertha Bay

Prospect in Alaska, United States with commodity Copper
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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. Mineral rights holdings
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10112688
MRDS ID A013251
MAS/MILS ID 0021140014
Record type Site
Current site name Bertha Bay
Related records 10002337

Geographic coordinates

Point of reference Claim
Geographic coordinates: -136.35624, 57.80661 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Sitka(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-8(quadrangle 1:63,360 scale)

Sitka NW(quadrangle 1:100,000 scale)

Sitka W OE(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest UND(Type of land area)

UND(Federal land areas administered by UND)

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 047 S 056 E 09 SENWSW Alaska

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

Claim (1) -136.35624, 57.80661
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Wilderness

Reference information

Bibliographic references

Comments on the references

  • BACK-UP FILES

General comments

Subject category Comment text
Deposit UNKNOWN NUMBER OF CLAIMS STAKED 1916. INACTIVE 1976. COMPOSED OF STRINGERS OF CHALCOPYRITE & PYRRHOTITE IN SCHIST ALONG A CONTACT WITH FELSIC GRANITIC ROCK. LONEY & OTHERS, 1975, PLATE 1 (P 792) GEOLOGIC MAP.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Map U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

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