00981cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002100111042001200132050002200144100003600166245010100202260004300303300006400346490004600410504003200456500004300488650003100531650002000562650001900582700004500601810005700646gs 05000681 DLC20260227111301.0790522s1893 dcuabf b f000 0 eng  ags 05000681  a(OCoLC)4991491 aDLCcICharEdDLC apremarc00aQE75b.B9 no. 1071 aKemp, James Furman,d1859-1926.14aThe trap dikes of the lake Champlain region /cby James Furman Kemp and Vernon Freeman Marsters. aWashington,bGovt. Print. Off.,c1893. a62 p. :biv pl. (incl. front., fold. map) diagrs. ;c24 cm.1 aU.S. Geological survey. Bulletinvno. 107 aBibliographical foot-notes. aLiterature of the diabases : p. 28-29. 0aGeologyzChamplain Valley. 0aDikes (Geology) 0aIgneous rocks.1 aMarsters, Vernon Freeman,ejoint author.1 aUnited States.bGeological Survey.tBulletin ;v107.