Department of Mineral Resources Geological Survey

Circular Number	Operator/Well Name	Permit Number	API Number	Location
102	Shell Oil Co. - #1 Rudolph Gigstad	663	33-005-00010	NENW Sec. 10, T.151N., R.70W.
111	Shell Oil Co. - #1 Eilert Spidahl	654	33-005-00008	SENE Sec. 21, T.152N., R.69W.
119	Calvert Expl. Co. - #1 Stadum	632	33-005-00004	NWSE Sec. 31, T.154N., R.70W.
129	Shell Oil Co. - #1 Chester Torgerson	636	33-005-00005	SENE Sec. 17, T.153N., R.69W.
142	Shell Oil Co. - #1 J. O. Crum	624	33-005-00003	NWSE Sec. 34, T.156N., R.70W.
146	Shell Oil Co. - #1 Joseph Blegen	695	33-005-00014	SWSE Sec. 14, T.155N., R. 67W.
147	Shell Oil Co. - #1 Oscar Sinness	692	33-005-00013	NESW Sec. 2, T.156N., R.67 W.
148	Shell Oil Co. - #1 Betsy Jorgenson	616	33-005-00002	NESW Sec. 5, T.156N., R.68W.
151	Shell Oil Co. - #1 Murphy Christensen	645	33-005-00006	NENW Sec. 27, T.153N., R.67W.
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Circular 1	1937	Instructions for Well Gage Observers in North Dakota
Circular 2	1938	Instructions for Observers of Municipal Wells
Circular 3	1938	Maps and Graphs Prepared for the Water Resources Committee North Dakota State Planning Board
Circular 4	1939	Instructions for Recorders in Well Survey of North Dakota
Circular 5	1954	Well Data and Tops of Significant Wells
	1955	1955 Supplement
	1966	10th Revision, 1st Supplement