41![North Dakota Ge ologica l Surve y Ge ologic Investigations No. 110 Field Screening for Shallow Gas in Cass County, North Dakota Edward C . M ur phy, State Geologist North Dakota Ge ologica l Surve y Ge ologic Investigations No. 110 Field Screening for Shallow Gas in Cass County, North Dakota Edward C . M ur phy, State Geologist](https://www.pdfsearch.io/img/dbc0428104e57b3f17b9b1127d3f3655.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-04-12 10:13:42
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42![North Dakota Ge ologica l Surve y Ge ological I nvestigations No. 97 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mineral Re sources North Dakota Ge ologica l Surve y Ge ological I nvestigations No. 97 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mineral Re sources](https://www.pdfsearch.io/img/2b819cadb15752b2b37678f9278b8ca7.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-02-25 11:32:54
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43![North Dakota Ge ologica l Surve y Ge ologic Investigations No. 109 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Resources North Dakota Ge ologica l Surve y Ge ologic Investigations No. 109 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Resources](https://www.pdfsearch.io/img/5bab2199e36b8ff6134478b41fdfcc2f.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-04-06 15:58:35
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44![North Dakota Ge ologica l Surve y Ge ological I nvestigations No. 96 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Resources North Dakota Ge ologica l Surve y Ge ological I nvestigations No. 96 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Resources](https://www.pdfsearch.io/img/73b881b92a555fab6bd07354de243361.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-02-23 11:37:44
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45![North Dakota Geologica l Survey Ge ologic Investigations No. 120 Edward C . M urphy, State Geologist Lynn D. Helms, Direc tor Dept. of Mineral R esource s North Dakota Geologica l Survey Ge ologic Investigations No. 120 Edward C . M urphy, State Geologist Lynn D. Helms, Direc tor Dept. of Mineral R esource s](https://www.pdfsearch.io/img/fca0c792156a9f6f75078b6ef1a9c832.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-07-19 09:23:44
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46![North Dakota Ge ological S urvey Geologic I nvestigations No. 117 Edward C. M urphy, State Geologist Lynn D. Helm s, Director Dept. of M inera l Resourc es North Dakota Ge ological S urvey Geologic I nvestigations No. 117 Edward C. M urphy, State Geologist Lynn D. Helm s, Director Dept. of M inera l Resourc es](https://www.pdfsearch.io/img/a3f0b4f7127700cb971de59394001329.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-07-13 10:02:22
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47![North Dakota Geologic al Survey Ge ologic Investigations No. 124 Field Screening for Shallow Gas in Walsh County, North Dakota Edward C . M urphy, State Geologist North Dakota Geologic al Survey Ge ologic Investigations No. 124 Field Screening for Shallow Gas in Walsh County, North Dakota Edward C . M urphy, State Geologist](https://www.pdfsearch.io/img/6583e7b15d07356cb5ae548bdc881a4b.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-08-18 12:11:42
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48![Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mineral Re sources North Dakota Geologica l Survey Ge ological I nvestigations No. 67 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mineral Re sources North Dakota Geologica l Survey Ge ological I nvestigations No. 67](https://www.pdfsearch.io/img/d41a7dd12b76f86962aee04acacbabac.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2008-09-11 11:27:32
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49![North Dakota Ge ologica l Surve y Ge ologic Investigations No. 108 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Re sources North Dakota Ge ologica l Surve y Ge ologic Investigations No. 108 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mine ral Re sources](https://www.pdfsearch.io/img/620508149db9f682cb1d1403529831c2.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-03-31 11:25:59
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50![North Dakota Ge ological S urvey Geologic I nvestigations No. 118 Edward C. M urphy, State Geologist Lynn D. Helm s, Director Dept. of M inera l Resourc es North Dakota Ge ological S urvey Geologic I nvestigations No. 118 Edward C. M urphy, State Geologist Lynn D. Helm s, Director Dept. of M inera l Resourc es](https://www.pdfsearch.io/img/85145d23e5769e78986fe6310a70a7dc.jpg) | Add to Reading ListSource URL: www.dmr.nd.govLanguage: English - Date: 2010-07-13 09:56:23
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