2/1
Geological Exploration Monthly Reports

2/2
Geological Exploration - General Correspondence, 1967

2/3
Geological Exploration - General Correspondence, 1968

2/4
Geological Exploration - General Correspondence, 1969

2/5
Geological Exploration - General Correspondence, 1970

2/6
Canadian Mining

2/7
Mining - Explosions

2/8
General Mining Technology

2/9
Mining - Cuatro Palmas

2/10
Rene Amezcua

2/11
Spare Parts Program

2/12
Marathon - Exploration

2/13
Marathon - Exploration

2/14
Marathon - Exploration

2/15
Geomina

2/16
Aguachile - Geological Exploration of Aguachile

2/17
Fluorospar Operations, August - December 1970

2-18
Fluorospar Operations, 1971

2/19
Fluorospar Operations, through July 1971

2/20
Hauling - Contract with Reginaldo Ramon

2/21
Pico Etereo Division - Organizational Chart

2/22
Mining - Cuatro Palmas Economic Evaluation

2/23
Samuel S. Arentz

2/24
Mining - Dona Nina

2/25
Mining - Domincia No. 6

1/1
Puente Minero Blueprints

1/2
Report on Puente Minero, December 1971

1/3
Financial Reports, 1968

1/4
Financial Reports, 1969

1/5
Financial Reports, 1970

1/6
Financial Reports, 1971

1/7
Financial Statements, 1962-1964

1/8
Financial Statements, 1965

1/9
Financial Statements, 1966

1/10
Financial Statements, 1967

1/11
Financial Statements, 1968

1/12
Financial Statements, 1969

1/13
Financial Statements, 1970

1/14
Financial Statements, Undated

1/15
Texas Historical Commission

1/16
Rio Grande Bridge Capacity Standard

1/17
Cost Reports

1/18
Correspondence, 1960

1/19
Correspondence, 1961

1/20
Correspondence, 1962

1/21
Correspondence, January - May 1963

1/22
Correspondence, June - September 1963

1/23
Correspondence, October - December 1963

1/24
Correspondence, January - May 1963

1/25
Correspondence, June - December 1963

1/26
Correspondence, 1965

1/27
Correspondence, Undated

3/1
La Domincia: Economic Study of La Domincia

3/2
La Domincia: Increased Fluorospar Recovery at La Domincia

3/3
La Domincia: Upgrading Program

3/4
La Domincia: Fluorospar Deposits on Mining Concessions owned by La Domincia, SA

3/5
La Domincia: Cuatro Palmas Report

3/6
La Domincia: Photos of Pico Etereo District

3/7
La Domincia: Samuel Arentz Correspondence

3/8
La Domincia: Report on La Domincia Drilling Project

3/9
La Domincia: Fluorospar Properties owned by La Domincia, SA

3/10
Pico Etereo: Engineering

3/11
Mining: Equipment

3/12
Mining: Geological Exploration, 1964-1966

3/13
Mining: Geological Exploration, 1965-1966

3/14
Mining: Geological Exploration, 1966-1967

3/15
Fluorospar Operations Articles

3/16
Design Study for town of La Linda

3/17
Mill Water Supplies

3/18
Fluorospar Articles

3/19
Geological Research: Economic-Geologic Investigation of Selected Fluorospar Properties

3/20
Laboratory Flotation of Fluorospar Ore

3/21
Aguachile: Policy on Aguachile, 1962

3/22
Aguachile: Briquetting, 1966-1967

3/23
Aguachile: Report of Investigation of Cerro Aguachile

3/24
Aguachile: Mining Camp Facilities

3/25
Aguachile: Mining Aguachile Ore

3/26
Aguachile: Nuclear Energy Commission and Research Obligation

3/27
Aguachile: Nuclear Energy Commission and Research Obligation

3/28
Aguachile: Nuclear Energy Commission and Research Obligation

3/29
Aguachile: Mining

3/30
West Ainslie Mining Plan

This collection consists of cost reports, blueprints, financial statements, and correspondence.

4/1
Milling - Automation

4/2
Milling - Ore Handling

4/3
Milling - Equipment

4/4
Milling - Equipment

4/5
Milling - Mill Production Report, La Linda, 1964

4/6
Safety

4/7
Labor Union

4/8
Labor Union - Union Contract

4/9
Financial - Purchasing

4/10
Marathon - Safety

4/11
Family Housing

4/12
Milling - Report on Pilot Planet Testing of Fluorite Ores

4/13
Milling - Report on Fluorite Flotation Process Recommendation

4/14
Heavy Media Separation Suspensions

4/15
Aguachile - Milling Aguachile Ore

4/16
Aguachile - Milling Aguachile Ore

4/17
Aguachile - Milling Aguachile Ore

4/18
Aguachile - Economic Evaluation: Conversion of Mill to Aguachile Ore, 1967

4/19
Financial - Profit Plan, 1971

4/20
Mexican Operations - Fredrickson's Process Studies

4/21
Fluorspar Operation - Management

4/22
Aguachile - Battelle Research Program

4/23
Mill - Water Supply (Quotations on Clarifier)

4/24
Legal Customs - Nuclear Activation Analysis

4/25
Legal - Ore Purchase from Small Miners