• "Trump Cuts Are Killing a Tiny Office That Keeps Measurements of the World Accurate." Wired.com (May 21, 2025)

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• "Search for the Missing Pier" xyHT - July 17, 2019 

 

• “Why Doesn't My Centimeter Match Your Centimeter.” GPS World Magazine (May 2015)

 

• “A New Datum; Rational to replace NAD 83.” xyHt Magazine (March 2015)

 

• "Use H, Not Z." Professional Surveyor Magazine (August 2013), Editor's Desk

    

• “Definition and Densification of the Puerto Rico Vertical Datum of 2002.”* ACSM - Surveying and Land Information System (SaLIS, Vol. 72, No. 3, pp 109-118) (July 2012), co-author Smith, Dru A.    

 

• “Virgin Island Vertical Datum of 2009.” ACSM - Surveying and Land Information System (SaLIS, Vol. 71, No. 2, pp 79-86) (June 2011) , co-author Smith, Dru A.. 

    

• “Development of Comprehensive Geodetic Vertical Datums for Pacific Territories of American Samoa, Guam, and the Northern Marianas.” ACSM - Surveying and Land Information System (SaLIS, Vol. 69, No. 1, pp 5-17) (March 2009), co-authors: Smith, A. and Carlson, E.   

 

• “The Future Role of Geodetic Datums in Control Surveying in the US.” ACSM - Surveying and Land Information System (SaLIS, Vol. 66, No. 2, pp101-106) (June 2006), co-author: Smith, Dru A. 

 

• “Computing State Plane Coordinates with the NGS Toolkit.” Professional Surveyor Magazine (January 2005) 

    

• “Washington Monument GPS Project.” Professional Surveyor Magazine ( January 2000)

  

• “High Accuracy Reference Network for Illinois.” Illinois Professional Land Surveyors Association (August 1998) 

 

• “High Accuracy Reference Network for Indiana.” Indiana Society of Professional Land Surveyors (May 1998)

 

• “High Accuracy Reference Network for Kansas.” Kansas Society of Land Surveyors (January 1998)

 

• “High Accuracy Reference Network for Arkansas.” Arkansas Society of Professional Surveyors (October 1997)  

 

• “High Accuracy Reference Network for Iowa.” Society of Land Surveyors of Iowa (August 1997)  

 

• “High Accuracy Reference Network for North Dakota.” North Dakota Society of Professional Land Surveyors (August 1997) 

 

• “High Accuracy Reference Network for South Dakota.” South Dakota Society of Professional Land Surveyors (May 1997)  

 

• “High Accuracy Reference Network for Ohio.” Professional Land Surveyors of Ohio (November 1996)    

 

• “High Accuracy Reference Network for Nebraska.” Professional Surveyors Association of Nebraska (August 1996)      

     

• “High Accuracy Reference Network for West Virginia.” West Virginia Association of Land Surveyors (August 1996)  

         

• “High Accuracy Reference Network for Utah.” Utah Council of Land Surveyors (December 1995)          

 

• “High Accuracy Reference Network for Michigan.” Michigan Society of Professional Surveyors (October 1995)

 

• “High Accuracy Reference Network for Nevada.” Nevada Society of Professional Surveyors (June 1995)

 

• “High Accuracy Reference Network for Oklahoma.” Oklahoma Society of Professional Surveyors (June 1995) 

   

• “New Coordinate Adjustment for Mississippi.” Mississippi Association of Land Surveyors (January 1995)

 

• “Development of the National Spatial Reference System.” American Congress on Surveying and Mapping (August 1994)  

 

• “Where Freedom Stands (GPS Survey of the U.S. Capital).” Professional Surveyor Magazine (January 1994), co-author: Dragoo, Alan

      

• “New Coordinate Adjustment for Arizona.”* Arizona Professional Land Surveyors Society (October 1993)

 

• “New Coordinate Adjustment for Alabama.”* Alabama Society of Professional Land Surveyors (August 1993)    

  

• “New Coordinate Adjustment for Louisiana.”* Louisiana Society of Land Surveyors (August 1993) 

 

• “New Coordinate Adjustment for Colorado.”* Colorado Society of Professional Land Surveyors (April 1993)  

      

• “New Coordinate Adjustment for Maryland and Delaware.”* Maryland Society of Surveyors (April 1992)

 

• “High Accuracy Reference Networks: Development, Adjustment and Transformation.”* American Congress on Surveying and Mapping (February 1992)      

 

• “Cadastral Surveys in a GIS/LIS.”* American Congress on Surveying and Mapping (November 1991)

 

• “GPS Surveys and the Horizontal Network.”* American Congress on Surveying and Mapping (August 1991) 

        

• “GPS Resurvey of the D.C. Boundary Stones.”* American Congress on Surveying and Mapping (June 1990)   

       

• “Datum Transformations from NAD 27 to NAD 83.”* American Congress on Surveying and Mapping (April 1987)     

 

             * These publications are not currently available free online. Some may be available from their published source, e.g. SaLIS,

                 for a fee. Contact Dave if there is a publication you are interested in. He will provide details on availability.