01061cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035002000092040002500112042001200137043001200149050001500161110003000176245008700206260003000293300010000323500001700423500001800440500007000458500005700528500015400585650002700739999001700766ca 28000148 DLC20260227111119.0860401s1927    dcuaf         000 0 eng    aca 28000148   a(OCoLC)13368970  aDLCcWaUdOCoLCdDLC  apremarc  an-us---00aTN802b.A52 aAmerican Mining Congress.10aHandbook--standard and approved American coal mining methods--practice--equipment.  a[Washington, D.C.,c1927]  a2 p. l., [293] p.bincl. illus., fold. plates, tables (part fold.) diagrs. (part fold.)c18 cm.  aCover-title.  aLoose leaves.  aPart of the  plates, diagrams, and tables are numbered as 1 page.  aPaged at foot A-1 to A-28, 1 leaf, B-1 to B-51, etc.  a"Published by the American Mining Congress ... Washington, D. C., under the supervision of its National Standarization Division, Coal Mining Branch." 0aCoal mines and mining.  c16330d16330