Department of Mineral Resources Geological Survey

Circular Number	Operator/Well Name	Permit Number	API Number	Location
21	Continental - Pure Oil Co. - #1 Paul H. McCay	145	33-015-00002	NWNW Sec. 32, T.137N., R.76W.
33	Hunt Oil Co. - #1 Emma Kleven	151	33-015-00003	SWSW Sec. 18, T.140N., R.80W.
39	Continental Oil Co. - #1 Nels Dronen	155	33-015-00004	NENE Sec. 9, T.140N., R.75W.
42	Continental Oil Co. #1 Duemeland	174	33-015-00005	NWNW Sec. 23, T.140N., R.79W.
177	Caroline Hunt Trust Estate - #1 Ryberg	772	33-015-00011	NWNW Sec. 23, T.140N., R.79W.
188	Continental Oil Co. - #1 J.F. Miller	1371	33-013-00012	SESW Sec. 30, T.143N., R.75W.
222	Calvert Drlg Co. - #1 Patterson Land Co.	1409	33-013-00014	NWSE Sec. 11, T.140N., R.92W.
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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