Mine Index 10082971 Minerva Oil Company, Deardorff Mine No. 1

Mine Index Number: 10082971

ISGS ID:		MSHA ID:
MAS ID:	170690035	MRDS ID:	W062446
Company Name:	Minerva Oil Company
Mine/Site Name:	Deardorff Mine No. 1
Active/Abandoned:	Abandoned
Start Date:	circa 1941	End Date:	circa1965
Commodity Type:	Metallic, Non-Metallic
Commodity:	Fluorspar
Minerals Present:	Lead, Zinc, Silver, Fluorine-Fluorite
Type of Mine:	Underground
District:	Fluorspar District	Subdistrict:	Cave-in-Rock Subdistrict
County:	Hardin
Section/Township/Range:	34(SWNEN2)-11S-9E
Latitude,Longitude:	37.51979,-88.19947
Unit(s) Mined:	Chesterian Series, Glen Dean Limestone, Renault Limestone
Feature(s) Mined:
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082971
Mindat link:

Year Discovered: 1842 Year of Ownership: 1974

MINED UNDERGROUND VIA A SHAFT.

ECON.COM: COARSE QUARTZ IS SO ABUNDANT AT THE SOUTHWEST END OF THE DEARDORF MINE THAT IT PREVENTS PROFITABLE MINING.

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:	Minerva Oil Company
	Mine Name:
	More Info:	CaveInRock MIN PropertyDrillHole.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Cave In Rock District Minerva Oil Company Date: 01/31/1964

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:
	Mine Name:
	More Info:	CaveInRockFluorsparDistrict OZM.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Ozark-Mahoning Company Map of Cave-In-Rock district

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:	Ozark-Mahoning Company
	Mine Name:
	More Info:	CaveInRockFluorsparDistrict1956 OZM.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Ozark-Mahoning Company Map of Cavie-In-Rock Fluorspar District Date: 10/03/1956

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:	Ozark-Mahoning Company
	Mine Name:
	More Info:	CaveInRockPlanDrill.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Ozark-Mahoning Company Map of Cave-in-Rock Fluorspar District Date: 04/28/1980

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:	Mahoning Mining Company
	Mine Name:
	More Info:	CaveInRockPlanDrillOriginal.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Mahoning Ming Company Map of Cave-in-Rock Fluorspar District

These files may not be true to scale and are not georgistered.	Mine Index:	10082971
	Company:	Ozark-Mahoning Company
	Mine Name:
	More Info:	Deardorff2 OZM.jpg
	Click to download Full ResolutionThese files are true to scale and most are georegistered for gis software. File Type: Map Caption: Ozark-Mahoning Company Map of Deardorff No. 2

U.S. BUREAU OF MINES, 1995, SPATIAL DATA EXTRACTED FROM THE MINERALS AVAILABILITY SYSTEM/MINERAL INDUSTRY LOCATION SYSTEM (MAS/MILS): U.S. BUREAU OF MINES SPECIAL PUBLICATION 12-95.

TRACE, R.D., 1974, ILLINOIS-KENTUCKY FLUORSPAR DISTRICT, IN A SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR, FORUM ON GEOLOGY OF INDUSTRIAL MINERALS, 9TH, PROCEEDINGS: KENTUCKY GEOLOGICAL SURVEY SPECIAL PUBLICATION SERIES 10, NO. 22, P. 58-76.