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[NMRA Bulletin Letter Response] (open access)

[NMRA Bulletin Letter Response]

Clipping of a letter written to the NMRA Bulletin by a man named Rick Perry regarding the use of fiberglass as insulation. He was part of the crew who swapped out the fiberglass insulation with asbestos, and wrote to dispute a previous letter to the bulletin about using fiberglass insulation. Written below the clipping is "- NMRA Bulletin Jan 1979."
Date: January 1979
Creator: Perry, Rick
Object Type: Clipping
System: The Portal to Texas History
Effect of Surface Coal Mining on the Hydrology of Crooked and Turkey Creek Basins, Jefferson County, Alabama (open access)

Effect of Surface Coal Mining on the Hydrology of Crooked and Turkey Creek Basins, Jefferson County, Alabama

From introduction: The objective of this project is to measure the impact coal mining has on the hydrologic system and to develop the capability for predicting the effect of future mining on water resources. To achieve this necessities isolating the problems and measuring the parameters involved before, during, and after mining.
Date: August 1979
Creator: Puente, Celso
Object Type: Report
System: The UNT Digital Library