Our Readers Say

January 2011 by Dr. Ralph E. Pray

Ask The Experts: Could you expand on your previous blasting article?

January 2017

Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?

History of Mining—Bradshaw Mountains, AZ (Part I)

November 2000
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.

Forest Service Final Rule—When is a Notice or Plan Required?

July 2005
On June 6, 2005, the Forest Service published a Final Rule regarding section 36 of the Code of Federal Regulations Part 228 (36 CFR 228) titled, “Clarification as to When a Notice of Intent to Operate and/or Plan of Operation is Needed..."

The Montanore Copper and Silver Project

June 2015
This adit will be nearly 3.5 miles long when it reaches the ore zone.

Montana Candidate Sees Natural Resources as Path to Recovery

August 2003
The key to returning Montana’s economy to its glory days is to remove the laws that prevent development of the state’s natural resources, says Thomas Keating, the only Republican who has declared himself a candidate for governor.

Small-Scale Concentrating and Recovery Methods

April 2011
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.

Ask the Experts: Recommended Reading—Part I

February 2004
We asked several writers and professionals to recommend their favorite books or publications that they thought would benefit prospectors and miners. Each recommendation is followed by a rating of beginner, intermediate, or advanced prospector or miner, or a rating of “general” (for all levels).

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