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MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”

Grants in Cibola County, New Mexico — The American Mountains (Southwest)
 

Large Diameter Drill Bit

 
 
Large Diameter Drill Bit Marker image. Click for full size.
By Cosmos Mariner, May 20, 2016
1. Large Diameter Drill Bit Marker
Inscription.  This drill bit was used at Crownpoint N.M. to drill a 10 ft. diameter shaft 2,234 ft. The drill cutters weigh 30,000 lbs. Total assembly weight is 443,000 lbs. One third of its weight was used for cutting purposes. The rest of the weight as a pendulum to keep the drill stem straight in order to drill a straight shaft. A large drill rig was used with a load capacity of 100,000 lbs., a 112 ft. mast and two 615 horsepower diesel engines powered the drill.
 
Topics. This historical marker is listed in this topic list: Industry & Commerce.
 
Location. 35° 9.215′ N, 107° 51.291′ W. Marker is in Grants, New Mexico, in Cibola County. Marker is on Iron Avenue just north of U.S. 66, on the right when traveling north. Marker and subject drill bit are located beside the sidewalk, directly in front of the New Mexico Mining Museum. Touch for map. Marker is at or near this postal address: 100 Iron Avenue, Grants NM 87020, United States of America. Touch for directions.
 
Other nearby markers. At least 4 other markers are within 3 miles of this marker, measured as the crow flies. Vietnam Veterans Memorial (approx. ¾ mile away); Grants (approx. 0.8 miles away);
Large Diameter Drill Bit Marker image. Click for full size.
By Cosmos Mariner, May 20, 2016
2. Large Diameter Drill Bit Marker
a different marker also named Grants (approx. 2.2 miles away); San Rafael (approx. 2.7 miles away).
 
Also see . . .
1. Crownpoint Mine. The Crownpoint Mine is a uranium mine located in McKinley county, New Mexico at an elevation of 6,808 feet. (Submitted on January 6, 2021, by Cosmos Mariner of Cape Canaveral, Florida.) 

2. Proposed Crownpoint Uranium Mine. (Submitted on January 6, 2021, by Cosmos Mariner of Cape Canaveral, Florida.)
 
Large Diameter Drill Bit image. Click for full size.
By Cosmos Mariner, May 20, 2016
3. Large Diameter Drill Bit
Large Diameter Drill Bit (<i>detail</i>) image. Click for full size.
By Cosmos Mariner, May 20, 2016
4. Large Diameter Drill Bit (detail)
Large Diameter Drill Bit (<i>detail</i>) image. Click for full size.
By Cosmos Mariner, May 20, 2016
5. Large Diameter Drill Bit (detail)
Large Diameter Drill Bit (<i>back</i>) image. Click for full size.
By Cosmos Mariner, May 20, 2016
6. Large Diameter Drill Bit (back)
(looking south • U.S. Route 66 in distant background)
 
 
Credits. This page was last revised on January 6, 2021. It was originally submitted on January 6, 2021, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 50 times since then. Photos:   1, 2, 3, 4, 5, 6. submitted on January 6, 2021, by Cosmos Mariner of Cape Canaveral, Florida.
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Mar. 6, 2021