Mine Index 10304698 Vinegar Hill Mining Company/Gill Brothers, North Unity Mine

Disclaimer
	S-T-R
	County:	Jo Daviess
	Quadrangle:	Cuba City
	District:	Upper Mississippi Valley
	Subdistrict:

Mine Index Number: 10304698

ISGS ID:	9204	MSHA ID:
MAS ID:	170850061	MRDS ID:
Company Name:	Vinegar Hill Mining Company, Gill Brothers
Mine/Site Name:	North Unity Mine
Active/Abandoned:	Abandoned
Start Date:	1914	End Date:	1948
Commodity Type:	Metallic
Commodity:	Lead, Zinc
Minerals Present:	Dolomite, Calcite, Quartz, Sphalerite, Pyrite
Type of Mine:
District:	Upper Mississippi Valley	Subdistrict:
County:	Jo Daviess
Section/Township/Range:
Latitude,Longitude:	42.50611,-90.40791
Unit(s) Mined:	Galena Group, Platteville Group
Feature(s) Mined:
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10304698
Mindat link:

Discussion

OPEND IN 1914 AND MINED AT INTERVALS TO 1948. THE MINE WAS OPENED FROM MAY 1942 TO MAY 1943 FOR ROBBING BY GILL BROTHERS. REOPENED FOR ROBBING AND STOPING APR 1945 TO SEP 1947.

Mine Data

Ore body information

General form	ARCUATE
Thickness	21.34M
Width	228.6M
Length	548.64M

A 200 FT SHAFT WAS SUNK TO THE BASE OF TEH GUTTENBERG MEMBER. THE ORE BODY OCCURS IN THE DECORAH FM AND IN THE LOWER BEDS OF THE GALENA DOLOMITE AND FORMS A NEARLY COMPLETE ECLIPSE.

Workings at the site

Type of workings	Underground
Name of workings	SHAFT
Overall depth	60.96M

References

WILLMAN, H.B., REYNOLDS, R.R., AND HERBERT, PAUL, JR., 1946, GEOLOGICAL ASPECTS OF PROSPECTING AND AREAS FOR PROSPECTING IN THE ZINC-LEAD DISTRICT OF NORTHWESTERN ILLINOIS: ILLINOIS GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS, NO. 116, 48 P.

HEYL, A.V., AGNEW, A.F., LYONS, E.J., AND BEHRE, C.H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10304698
Also referenced as 10106499