01101cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040001800111050002200129100003300151245010500184260009500289300009600384490005300480500009700533504003200630650002700662700004000689700003200729710005700761999001700818gs 25000093 DLC20260227111329.0780930s1925 ndua b s001 0 eng  ags 25000093  a(OCoLC)4255827 aDLCcNdUdDLC00aTN834.U5bN9 19251 aLeonard, Arthur Gray,d1865-14aThe lignite deposits of North Dakota,cby Arthur G. Leonard, Earle J. Babcock [and] Leonard P. Dove. a[Grand Forks]bPublished for the State Geological Survey [Normanden Publishing Co.]c1925. a[6] 240 p. incl. illus., tables, diagrs. xxi pl. (incl. 7 fold. maps, fold. diagr.)c23 cm.0 aNorth Dakota. Geological Survey. Bulletinvno. 4 aIn cooperation with the School of Mines, College of Engineering, University of North Dakota. aBibliographical references. 0aLignitezNorth Dakota.1 aBabcock, E. J.q(Earle Jay),d1865-1 aDove, Leonard Percy,d1883-2 aUniversity of North Dakota.bCollege of Engineering. c26371d26371