51![The 3-D Global Spatial Data Model (GSDM) Supports Modern Civil Engineering Practice and Education Earl F. Burkholder, PS, PE, F.ASCE1 1 Global COGO, Inc., P.O. Box 3162, Las Cruces, NM 88003, PH[removed],](https://www.pdfsearch.io/img/2092ff07ce9e09e2e8132488bd05d920.jpg "The 3-D Global Spatial Data Model (GSDM) Supports Modern Civil Engineering Practice and Education Earl F. Burkholder, PS, PE, F.ASCE1 1 Global COGO, Inc., P.O. Box 3162, Las Cruces, NM 88003, PH[removed],") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2012-06-22 13:43:30
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52![4-hr Seminar Outline (Part 1 of 2) Datums, Map Projections, and Coordinate Systems – 2 hr[removed]PLSS Rocky Mountain Summit Conference - February 26, 2015 By: Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las](https://www.pdfsearch.io/img/de0bd1124cd6fa2a5e74967f09fa3a6d.jpg "4-hr Seminar Outline (Part 1 of 2) Datums, Map Projections, and Coordinate Systems – 2 hr[removed]PLSS Rocky Mountain Summit Conference - February 26, 2015 By: Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2015-03-09 16:53:17
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53![Contrasting a Low Distortion Projection (LDP) With the Global Spatial Data Model (GSDM) Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc., Las Cruces, NM[removed]Email: [removed], URL: www.globalcogo.com](https://www.pdfsearch.io/img/2de7b1c84032d3733a11c97f5ed74260.jpg "Contrasting a Low Distortion Projection (LDP) With the Global Spatial Data Model (GSDM) Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc., Las Cruces, NM[removed]Email: [removed], URL: www.globalcogo.com") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2015-02-14 08:47:21
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54![The Importance of a Peer-Reviewed Journal Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com March 2014 Material in this article was first sh](https://www.pdfsearch.io/img/b5ea26103aeed854cda0357870f5c7f1.jpg "The Importance of a Peer-Reviewed Journal Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com March 2014 Material in this article was first sh") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2014-03-07 13:19:31
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55![3-D GSDM Computations - BK1 & BK2 Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. - Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com This spreadsheet performs BK1 & BK2 computations on user s](https://www.pdfsearch.io/img/9faf02e2bf7ddf7c4630e95630481206.jpg "3-D GSDM Computations - BK1 & BK2 Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. - Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com This spreadsheet performs BK1 & BK2 computations on user s") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2013-10-03 10:38:05
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56 | Add to Reading ListSource URL: www.cedra.comLanguage: English - Date: 2014-01-13 10:15:30
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57 | Add to Reading ListSource URL: home.comcast.netLanguage: English - Date: 2012-11-03 17:19:13
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58![How Good is Good Enough? Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com January 18, 2013 This item is written in response to a January 17](https://www.pdfsearch.io/img/0eeaa3fe993b454dd940ef48ed2169bd.jpg "How Good is Good Enough? Earl F. Burkholder, PS, PE, F.ASCE Global COGO, Inc. – Las Cruces, NM[removed]Email: [removed] URL: www.globalcogo.com January 18, 2013 This item is written in response to a January 17") | Add to Reading ListSource URL: www.globalcogo.comLanguage: English - Date: 2013-01-18 13:45:38
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59 | Add to Reading ListSource URL: cogo.proLanguage: English - Date: 2015-03-04 10:59:47
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60 | Add to Reading ListSource URL: home.comcast.netLanguage: English - Date: 2007-10-19 23:57:45
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