Selected Publications by Earl F. Burkholder, PS, PE
74. Evolution of Terms - Network Accuracy and Local Accuracy May 2017
73. Response to NCEES Summary of "Forum on Future of Surveying" Feb 2016
72. Presentation on Spatial Data and COGO Report Card September 24, 2015, APA-ASCE Joint meeting.
71. Discussion of the COGO Report Card for the Spatial Data Infrastructure.
70. Informal summary of development of Low Distortion Projections (LDP).
69. Localization as appearing in the January 2015 issue of NMPS Benchmarks.
68. Response to the American Surveyor December 2014 article on "Foxes and Inmates" click here.
67. "Presentation to NM Board of Licensure - November 2014 click here.
66. "Call for Standardization - Stochastic Model Results" was written September 2014 in response to a thread on the Surveyor Connect bulletin board.
65. "Underground (Well) Mapping Re-visited" was presented at the ASCE Shale Energy Engineering Conference
in Pittsburgh, PA, July 20-23, 2014. Click here.
For copy of power point presentation of the paper, Click here.
64. "Trip Report to SPAR 2014" was written for the New Mexico Professional Surveyors but shared with all.
63. "BIG DATA" is a NOAA request for information and Global COGO response to same. This is a real
62. "The Importance of a Peer-Reviewed Journal" is to be distributed freely.
61. "Standard Deviation and Network/Local Accuracy of Geospatial Data" refutes the suggestion that local accuracy
as presented in the book, "The 3-D Global Spatial Data Model" is not rigorous.
click here Paper is on file in the U.S.Copyright Office, Washington, D.C. - October 2013.
60. "Proposal for Basis of Bearing and Summary of Responses"
59. "Large-Scale integration is possible now!" click here.
58. "List of ABET Surveying Programs" - Developed from ABET web site.
57. "How Good is Good Enough?" - Written in response to a January 17, 2013, Surveyor Connect Thread about repeatable GPS measurements.
56. "The 3-D Global Spatial Data Model (GSDM) Supports Modern Civil Engineering Practice and Education" presented at the 2012 ASCE
International Conference on Computing in Civil Engineeering. click here.
55. "Future of Surveying" - Written for WestFed Board of Directors in Oct 2011. The surveying profession is standing at
the threshold of a quantum contribution to the spatial data community. Will we squander the opportunity? click here.
54. "Contrasting a Low Distortion Projection (LDP) With the Global Spatial Data Model (GSDM)" shows that the benefits of
a map projection may be enjoyed without being subject to the disadvantages of same. Yes, by making use of the "user view"
it appears that spatial data users may have our cake and eat it too! click here. January 2012.
53. Interaction between Engineering and Surveying "Proud to be a Surveyor" click here. May 2012.
52. "Effective Fire Suppression" makes a point about learning how to learn and is published in the January 2011 issue of
NMPS Benchmarks. To view and/or download, click here.
51. "Spatial Data Considerations for Civil Engineers" presented at Texas Section ASCE Fall Meeting in El Paso, Texas, October 8, 2010. click here
50. "Promoting the hypothesis that vertical can be the strongest component of a GPS determined position."
49. "President's Columns as printed in Benchmarks while Earl F. Burkholder was President of
the New Mexico Professional Surveyors" click here for
48. "Editorial in ASCE Journal of Surveying Engineering on Using Spatial Data" Feb 2008
47. "Challenge/Opportunity for Spatial Data Users World-wide" is a 1-page description of the challenges and benefits
associated with implementing the GSDM. Posted January 2007. click here
46. "From 3-D GPS Data to a 2-D Plat - A Direct "No Distortion" Solution," click here
45. Ethics Article printed in the September 2006 Issue of NMPS Benchmarks.
44."The Digital Revolution - Whither Now?" GIM Magazine, September 2006 click here
43. GIS Summit report by Earl F. Burkholder for attending June 16, 2006.
42. Comments on ASPRS Panel Report to USGS on National Digital Orthoimagery Program - October 2005.
41. White paper - "Need for and Benefits of a Modern Spatial Reference Network in Southern New Mexico" by Earl F. Burkholder, and Las Cruces City Surveyor, Gilbert Chavez.click here February 2006
40. "Magical Least Squares 2" is a full blown documentation of all the steps used in computing the NMSU GPS network. It also includes specific examples of computing both network and local accuracies between several points. click here. January 2006
39. "In Celebration of the Muse" is a reflection of issues during a 2-week sabbatical trip to the Geomatics Program at the University of Calgary in September 2005. click here
38. "Magical Least Squares" is a summary of the GPS network at NMSU and includes details on
local and network accuracies. October 2005, click here.
37. "Using GPS to Establish the NAVD88 Elevation on "Reilly" - The A-Order HARN Station at NMSU," July 2005, click here.
36. "Geomatics Curriculum Design Issues," presented at the 20th Surveying & Mapping Educators Conference in Corpus Christi, Texas, June 9, 2005.click here
35. "Accuracy of Elevation Reduction Factor" ASCE Journal of Surveying Engineering, Vol 130, No. 3, August 2004, pp 134-137.
click here .
34. "A 3D Datum for a 3D World" Geospatial Solutions Magazine, Volume 14, No. 5, May 2004, pp 38-41. Click here.
33. "Fundamentals of Spatial Data Accuracy and the Global Spatial Data Model (GSDM)," registered with the U.S. Copyright Office, Washington, D.C., April 2004. click here .
32. "When is the best time to implement a better model?" is a perplexing question.
The technology is in place and the model is well-defined. Click here
31. "Establishing Elevations with GPS" is a 1-page handout used to aid discussion.
click here .
30."Viewing Spatial Data From the 3-D Perspective" as presented at the NMSU Science,
Engineering, and Technology Education Conference, January 9, 2004.
click here . Note, the
author was given the "Best Paper Award" for the Conference
29."The Digital Revolution Begets the Global Spatial Data Model (GSDM)" was published
in the April 15, 2003, issue of EOS Transactions American Geophysical Union.
click here .
28. "Global Spatial Data Model White Paper" offers a 2-page summary of the
GSDM. June 2002.
27. "Elevations and the Global Spatial Data Model," presented June 25, 2002,
at the 58th ION Annual Meeting in Albuquerque, New Mexico.
26. "The Global Spatial Data Model (GSDM): A New Paradigm for Spatial
Information," presented April, 2002, at FIG Conference in Washington, D.C.
25. "Spatial Data, Coordinate Systems, and the Science of Measurement," ASCE
Journal of Surveying Engineering, November 2001, Vol 127, No. 4, pp 143-156.
24. "The Global Spatial Data Model" presented March 27, 2000, at the International
Discrete Global Grids
Conference hosted by the NCGIA in Santa Barbara, CA.
23. "Geomatics Eduation and the Global Spatial Data Model" presented at the
XVII North American Surveying Educators' Conference, Purdue University,
July, 1999. click here
22. "3-D: A Challenge for Surveying in the 21st Century"
printed in the Spring 1999 issue of The Aggie Surveyor newsletter published by
the Department of Surveying Engineering at New Mexico State University.
21. "Spatial Data Accuracy as Defined by the Global Spatial Data Model (GSDM)."
ACSM Surveying & Land Information Systems Journal, March, 1999.
20. ION Navigation 2000, "A Practical Global Spatial Data Model
(GSDM) for the 21st Century," Long Beach, CA, January 1998. click here
19. Professional Surveyor Magazine - Series of 3 articles
October 1997 - The Global Spatial Data Model (GSDM):
A Tool Designed for Surveyors
November/December 1997 - Using the Global Spatial Data Model (GSDM)
in Plane Surveying
January 1998 - Positional Tolerance Made Easier with the GSDM
18. ASCE Journal of Surveying Engineering, "Three Dimensional Azimuth of GPS
Vector," Vol. 123, No. 4, November, 1997. click here
17. The Civil Engineering Surveyor, "3-D Global Spatial Data Model (GSDM),"
GIS/GPS Supplement, Fall 1997, pp 15-18. (UK)
16. GIS/LIS 1997, "Description of a Simple, Three-Dimensional Global
Spatial Data Model (GSDM), Cincinnati, Ohio, October, 1997.
15. Southeastern Wisconsin Regional Planning Commission, "Definition of a
Three-Dimensional Spatial Data Model for Southeastern Wisconsin," January 1997,
Waukesha, Wisconsin. click here
14. Definition and Description of a Global
Spatial Data Model registered with
the U.S. Copyright Office, Washington, D.C., April, 1997.
13. ASCE Journal of Surveying Engineering, "Simplified Transformation Between
NAD27 and NAD83 in Southeastern Wisconsin," Vol. 122, No. 1, pp 26-39,
12. Mobile Mapping Symposium, "The 3-D Geodetic Model as the Basis of a Global
Coordinate System for Mobile Mapping," The Center for Mapping, Columbus, Ohio,
May 23-26, 1995.
11. ACSM/ASPRS Annual Meeting, "GIS Applications of GPS Technology via Local
Coordinate Systems: Past, Present, and Future," March, 1995, Charlotte, NC.
10. Chapter 13 "Geodesy" of The Surveying Handbook, 2nd Ed., Edited by Russell
Brinker & Roy Minnick, published 1995 by Van Nostrand Reinhold Co., NY, NY.
9. ASCE First Congress on Computing in Civil Engineering, "3-D Coordinates
- A Universal Rectangular Coordinate System for a GIS and Other Spatial
Databases," June 20-24, 1994, Washington, D.C.
8.ASPRS/ACSM Annual Meeting, "Exploiting the Connection Between Plane
Surveying and GPS Vectors," February, 1994, Reno, Nevada.
7. ACSM Surveying & Land Information Systems Journal, "Design of a Local
Coordinate System for Surveying, Engineering, and LIS/GIS," Volume 53,
No. 1, March, 1993.
6.ACSM/ASPRS Annual Meeting, "A Case Study Comparing Use of Local Map
Projection Coordinates With 3-D Geodetic Model Coordinates," February, 1993,
New Orleans, LA.
5. ASCE Journal of Surveying Engineering, "Using GPS Results in a True 3-D
Coordinate System," Volume 119, No. 1, February, 1993.
4. ASCE Journal of Surveying Engineering, "Computation of Level/Horizontal
Distance," Volume 117, No. 3, August, 1991.
3. XII Surveying Teachers Conference - 1987, Madison, Wisconsin, "The RAC Accreditation Experience at OIT," Click here
2. ACSM Surveying & Mapping Journal, "Geometrical Parameters of the Geodetic
Reference System 1980," Vol. 44, No. 4, December, 1984, pp 339-340.
1. XI Surveying Teachers Conference - 1984 , Fresno, California, "The BS
Surveying Degree at OIT," Click here
0. "Coordinates, Intersections, and Calculators" ACSM Surveying & Mapping
Journal, March 1986, Vol 46, No. 1, pp 29-39 click here
-1. "The Michigan Scale Factor" Technical Papers ACSM-ASP Convention, ACSM 40th Annual Meeting,St.Louis March 1980
(Return to top of page)
(Return to Main Menu)
© 1997-2014 by
Global COGO, Inc
BURKORD® is a registered trademark of Global COGO, Inc.