000 00907cam a22002771 4500
001 gs 55000319
003 DLC
005 20260227111403.0
008 790424s1955 ndub b s000 0 eng c
010 _ags 55000319
035 _a(OCoLC)4888912
040 _aU.S. Geol. Survey. Libr.
_cMnMohC
_dDLC
042 _apremarc
043 _an-us-nd
050 0 0 _aQE685
_b.H22
082 _a551.77
_a551.76*
100 1 _aHansen, Dan E.
245 1 0 _aSubsurface correlations of the Cretaceous Greenhorn-Lakota interval in North Dakota.
260 _aGrand Forks,
_c1955.
300 _a46 p.
_bmaps, diagrs. (2 fold. in pocket) tables.
_c23 cm.
410 2 0 _aNorth Dakota Geological Survey.
_tBulletin
_v29
504 _aBibliographical footnotes.
650 0 _aGeology, Stratigraphic
_yCretaceous.
650 0 _aGeology
_zNorth Dakota.
740 0 _aCretaceous Greenhorn-Lakota interval in North Dakota.
999 _c29000
_d29000