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Oral History Interview with K. O. Dahlgren, May 28, 2002

Interview with K.O. Dahlgren, civil engineer and Marine Corps veteran. The interview includes Dahlgren's personal experiences about being a PBJ co-pilot in the Southwest Pacific Theater during World War II, enlisting in the Navy, primary and secondary flight training through the Civilian Pilot Training Program, pre-flight training, basic and advanced flight training, and navigation school. Additionally, Dahlgren talks about his early interest in aviation, designation as an Aviation Cadet, the t… more

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Date: May 28, 2002

Creator: Koontz, Christopher N. & Dahlgren, K. O.

Item Type: Book

Partner: UNT Oral History Program

open access

Geothermal Environmental Impact Assessment: Baseline Data for Four Geothermal Areas in the United States

From Abstract: The report presents a compilation and technical assessment of the existing data on climate, geology, hydrology, water chemistry, and seismicity for four geothermal areas in the United States: Imperial Valley and The Geysers, California; Klamath Falls, Oregon; and the Rio Grande Rift Zone, New Mexico.

Date: September 1978

Creator: Geonomics, Inc.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Manganese Deposits in the Paymaster Mining District, Imperial County, California

Abstract: The manganese deposits of the Paymaster district, in Imperial County, Calif., extend along steeply inclined normal fault fissures which cut Tertiary (?) volcanic breccia and fanglomerate. The ore deposits are in part open-space fillings composed largely of psilomelane, and in part fault breccia replaced by psilomelane, pyrolusite, and manganite. Calcite and rock fragments are the chief impurities. High-grade ore now exposed averages about 40 percent manganese, and contains much barium… more

Date: 1942

Creator: Hadley, Jarvis B.