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

Description: 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
Access: Restricted to UNT Community Members. Login required if off-campus.
Date: May 28, 2002
Creator: Koontz, Christopher N. & Dahlgren, K. O.
Item Type: Refine your search to only Book
Partner: UNT Oral History Program
open access

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

Description: 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.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A Method for Estimating Ground-Water Return Flow to the Lower Colorado River in the Yuma Area, Arizona and California--Executive Summary

Description: Purpose and scope: The purpose of this study was to develop a method for estimating the amount of subsurface return flow to the Colorado River in the Yuma area. This report presents a method that will permit an accounting of ground-water return flows from each side of the Colorado River in the Yuma reach. The estimates of return flow can be used by water-management agencies in determining return-flow credits for the States of Arizona and California.
Date: December 1983
Creator: Loeltz, O. J. & Leake, S. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A Method for Estimating Ground-Water Return Flow to the Lower Colorado River in the Yuma Area, Arizona and California

Description: Purpose and scope: The purpose of this study was to develop a method for estimating the amount of subsurface return flow to the Colorado River in the Yuma area. This report presents a method that permits an approximate accounting of ground-water return flow from each side of the Colorado River in Yuma reach. The method presented in this report was developed specifically for application in the Yuma area. The validity of the assumptions inherent in the method was evaluated on the basis of the loc… more
Date: December 1983
Creator: Loeltz, O. J. & Leake, S. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[News Script: DAL co. community colleges]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about Mountain view, Richland, Eastfield and El Centro schools which are making up the Dallas county community college district amended first semester summer enrollment figures.
Date: June 10, 1974, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
open access

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

Description: 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: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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