00905cam a22002651i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002800111042001200139045000900151050002200160100005200182245010900234260004300343300002700386490004200413500006100455500002000516651002900536810005700565999001700622gs 11000337 DLC20260227111311.0790619s1911    dcuf         f001 0 eng    ags 11000337   a(OCoLC)5082119  aDLCcICharEdOCoLCdDLC  apremarc  aw9x100aQE75b.B9 no. 4691 aMarshall, R. B.q(Robert Bradford),d1867-1949.10aResults of spirit leveling in North Dakota, 1897 to 1910, inclusive. /cR.B. Marshall, chief geographer.  aWashington,bGovt. Print. Off.,c1911.  a23 p. :bpl. ;c24 cm.1 aU.S. Geological survey. Bulletinv469  aIssued also as House doc. no. 1463, 61st Cong., 3d sess.  aIncludes index. 0aNorth DakotaxAltitudes.1 aUnited States.bGeological Survey.tBulletin ;v469.  c25040d25040