000013509 000__ 00971cam\a2200277Wi\4500
000013509 001__ 13509
000013509 005__ 20210512014520.0
000013509 008__ 791011s1979\\\\ohua\\\\\b\\\f00010\eng\d
000013509 035__ $$a(OCoLC)ocm05514336
000013509 035__ $$9AAB4088SI
000013509 035__ $$a13509
000013509 040__ $$aGPO$$cGPO$$dISE
000013509 049__ $$aISEA
000013509 074__ $$a431-I-62
000013509 0860_ $$aEP 1.23/8:600/7-79-124
000013509 090__ $$aTN321$$b.W3
000013509 099__ $$aTN321 .W3
000013509 1102_ $$aW.A. Wahler and Associates.
000013509 24510 $$aDewatering active underground coal mines :$$btechnical aspects and cost-effectiveness /$$cby W. A. Wahler & Associates.
000013509 260__ $$aCincinnati, Ohio :$$bEnvironmental Protection Agency, Office of Research and Development, [Office of Energy, Minerals, and Industry], Industrial Environmental Research Laboratory,$$c1979.
000013509 300__ $$axiii, 124 p. :$$bill. ;$$c28 cm.
000013509 500__ $$aJuly 1979.
000013509 504__ $$aBibliography: p. 119-123.
000013509 650_0 $$aMine drainage.
000013509 650_0 $$aMine water.
000013509 650_0 $$aCoal mines and mining.
000013509 85200 $$bgen$$hTN321$$i.W3
000013509 909CO $$ooai:library.usi.edu:13509$$pGLOBAL_SET
000013509 980__ $$aBIB
000013509 980__ $$aBOOK