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Microwave detection of lost wells and unknown water-filled voids in coal mines.

Author: D R Belsher; United States. National Bureau of Standards. Electromagnetic Fields Division.; Denver Mining Research Center (U.S.)
Publisher: [Denver, Colo.] : [U.S Bureau of Mines, Denver Mining Research Center], 1984.
Edition/Format:   Book   Microform : National government publication : Microfiche : EnglishView all editions and formats
Database:WorldCat
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Material Type: Government publication, National government publication
Document Type: Book
All Authors / Contributors: D R Belsher; United States. National Bureau of Standards. Electromagnetic Fields Division.; Denver Mining Research Center (U.S.)
OCLC Number: 18884669
Notes: "A mining research contract report."
"Final - Phase II, Jan. 1979 to March 1984"--Report documentation page.
"Authors: D.R. Belsher [and others]"--Report documentation page.
"September, 1984."
"NBSIR 84-3017."
"Prepared by the National Bureau of Standards (NBS), Electromagnetic Fields Division, Boulder, Colorado, under USBM Contract number HO272007"--Foreword.
Reproduction Notes: Microfiche. [Washington, D.C.] : U.S. G.P.O., 1984. 1 microfiche : negative.
Description: 86 pages : illustrations

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