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A brief review of borehole geophysical logging activities in Armenia [microform] / Brenda S. Pierce and Grigor Grigorian (U.S. Geological Survey open-file report ; 99-561)

A brief review of borehole geophysical logging activities in Armenia [microform] / Brenda S. Pierce and Grigor Grigorian (U.S. Geological Survey open-file report ; 99-561)
Microform図書
1999<YCA-I 19.76:99-561>
National Diet Library
  • Subject HeadingCoal -- Armenia (Republic) Geophysical well logging -- A...

Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh coal field, north-central Armenia [microform] / Brenda Pierce ... [et al.] (U.S. Geological Survey open-file report ; 99-582)

Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh coal field, north-central Armenia [microform] / Brenda Pierce ... [et al.] (U.S. Geological Survey open-file report ; 99-582)
Microform図書
1999<YCA-I 19.76:99-582>
National Diet Library
  • Subject HeadingCoal -- Armenia (Republic) Prospecting -- Armenia (Repub...

Coal exploration and resource assessment of Armenia [microform] / Brenda S. Pierce (U.S. Geological Survey open-file report ; 99-567)

Coal exploration and resource assessment of Armenia [microform] / Brenda S. Pierce (U.S. Geological Survey open-file report ; 99-567)
Microform図書
1999<YCA-I 19.76:99-567>
National Diet Library
  • Subject Heading...nia (Republic) Coal -- Armenia (Republic)

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