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Story
August 4, 1907
Bisbee Daily Review
Bisbee, Cochise County, Arizona
What is this article about?
In July, the Bisbee Extension Company sank their shaft 62.5 feet in 25 working days to 370 feet, entering favorable limestone formation. Surface prospecting shows copper stains. Plans to install compressor and drive drifts upon reaching water level.
Clipping
OCR Quality
98%
Excellent
Full Text
BISBEE EXTENSION.
During the month of July a first class record was established at the property of the Bisbee Extension Company located about six miles west of the city. In twenty-five working days of two shifts each the shaft was sunk 62 1/2 feet bringing it to the 370 foot mark, and entering a formation of limestone, which is broken in places, and looks very favorable. The formation now is a lower carboniferous limestone, which is known in the district as escabrosa. The water level is expected now at any time between the 370 and 450 foot marks.
Prospecting on the surface along a fault about 100 feet north of the shaft shows much copper stain with a wide brecciated zone that looks well.
The company will install a compressor some time this month and push the north and south drifts as rapidly as possible when water level is reached. The general conditions of the property are improving steadily.
During the month of July a first class record was established at the property of the Bisbee Extension Company located about six miles west of the city. In twenty-five working days of two shifts each the shaft was sunk 62 1/2 feet bringing it to the 370 foot mark, and entering a formation of limestone, which is broken in places, and looks very favorable. The formation now is a lower carboniferous limestone, which is known in the district as escabrosa. The water level is expected now at any time between the 370 and 450 foot marks.
Prospecting on the surface along a fault about 100 feet north of the shaft shows much copper stain with a wide brecciated zone that looks well.
The company will install a compressor some time this month and push the north and south drifts as rapidly as possible when water level is reached. The general conditions of the property are improving steadily.
What sub-type of article is it?
Historical Event
What themes does it cover?
Exploration
What keywords are associated?
Shaft Sinking
Copper Prospecting
Bisbee Extension
Limestone Formation
Mining Record
What entities or persons were involved?
Bisbee Extension Company
Where did it happen?
About Six Miles West Of The City
Story Details
Key Persons
Bisbee Extension Company
Location
About Six Miles West Of The City
Event Date
During The Month Of July
Story Details
Shaft sunk 62 1/2 feet to 370 foot mark in 25 working days, entering escabrosa limestone. Surface shows copper stain. Compressor to be installed for drifts at water level.