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Bill Beardslee, PLS, PE, PP
Beyond the Scope
Bill Beardslee is director of engineering for Beardslee Engineering in
Sparta, New Jersey, a subsidiary of Greenman-Pedersen, Inc. He is the
past president of the New Jersey Society of Professional Land Surveyors
and their 2006 “Surveyor of the Year.”
Ben Bloch, PhD
Problem Corner and Archeo-/Astro-Surveying
 Benjamin
Bloch's many accomplishments include having been concertmaster and
violin soloist with the New York Jr. Symphony Orchestra, traveling to
the North Polar Region for the Office of Naval Research, working as
staff physicist at the Grumman Aerospace Corporation, earning a Ph.D.
in theoretical physics in the Quantum Theory of Scattering from the
Polytechnic Institute of Brooklyn, and having taught every level of
college and high school math and physics.
Jim Crabtree
Aerial Perspective
Jim Crabtree, CP, PLS is the vice president of AERO-METRIC, Inc. and manager of the Seattle division. He writes for the magazine and serves on our advisory board.
Stephen Estopinal, PE, PLS
E-Files
Stephen Estopinal is assistant division manager and senior project manager
at SJB Group, LLC in Louisiana. He has been involved in the
practice of land surveying for more than 30 years and is the author of
A Guide to Understanding Land Surveys 3rd ed. John Wiley & Sons,
Inc. 2009.
James B Gillis, NSLS, CLS, RPLS
Around the Globe
Jim is a native of Middleton, Nova Scotia. He has 35 years of survey experience, which includes practicing throughout North and South America and the Middle East. He is licensed in both Canada and the United States, and currently resides in Fort Worth, Texas.
Earl Henderson, PLS
Gigglebytes
Earl Henderson is owner of Zenith Land Surveying, Inc. in Boulder,
Colorado. He has been surveying in various states since 1989.
Janet Jackson, GISP
Intersect
Janet Jackson is certified as a GIS professional and heads McKim & Creed’s GIS activities.
Geoff Jacobs
3D Scanning
Geoff Jacobs is senior vice president, strategic marketing for Leica Geosystems, HDS, Inc.
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Joe Knetsch, Phd
History Corner

Joe Knetsch holds a PhD in history from Florida State University and, since 1987, has been the historian for the Division of State Lands, Florida Department of Environmental Protection (working in the Bureau of Survey & Mapping). He is the author of a book on Florida surveying entitled Faces on the Frontier: Florida Surveyors and Developers in the 19th Century. He has also written more than 70 articles on the history of surveying and teaches the course on the history of surveys and surveying in Florida for recertification purposes in the state of Florida.
Tom LaCorte, PSM
Gigglebytes
Tom
LaCorte is owner and president of Thomas G. LaCorte, PSM, PA, a
family-operated land surveying corporation providing consulting
services to surveying and engineering firms in the greater Orlando,
Florida area.
Dave Lindell
Problem Corner
Dave
Lindell is a retired California surveyor. Dave spent more than 36 years
at the City of Los Angeles Bureau of Engineering, 18 of which he served
as survey Supervisor. He is a former Los Angeles Community College
district instructor of surveying, an expert examiner and technical
expert for the State of California Board of Registration for
Professional Engineers and Land Surveyors, and has been licensed since
1972. Dave has submitted problems for the California licensing test. He
now offers consulting services to local cities and does an occasional
survey “to keep busy and stay out of trouble.”
Matteo Luccio
GIS: The Greater Extent
Matteo Luccio, M.S., is the president of Pale Blue Dot Research, Writing, and Editing, LLC, which specializes
in public policy and geospatial technologies. He has been writing about
geospatial technologies since 2000 for six different technical
publications and was previously a public policy research analyst for a private think tank and for state and local government agencies.
Gordon Mitchell
History Corner
Gordon
Mitchell graduated from Ohio State University in 1973 with a BS in
Natural Resources. He is employed by the Columbus Metropolitan Park
District in the area of Resource Management where he is involved in
eradicating invasive vegetation and restoring prairies and wetlands. He
has a strong interest in both natural and cultural history of Ohio and
adjacent states.
Chase Perryman
Out-of-Plumb
Chase Perryman gladly jumps at any opportunity to make someone laugh.
He admits that he does not know it all, however, and would love to hear
from you with comments, suggestions or new ideas.
Randy Rambeau, PLS
Intersect
Randy Rambeau, Sr., PLS, is the geomatics office manager in McKim & Creed’s Raleigh, North Carolina office, overseeing conventional land surveying services. He is also a licensed professional surveyor in North Carolina, Arkansas, and Tennessee.
Mary Munson Root, LS
History Corner
Mary
Root is a resident of Fauquier County, Virginia and the editor of
Backsights, the Journal of the Surveyors Historical Society.
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Ashley Rose-Nalin
The Next Generation

Ashley Rose-Nalin is a recent graduate in land surveying and geomatics engineering as well as civil engineering from Purdue University. She works for
H&H Land Surveying, Inc. in Smyrna, Tennessee as an SIT (surveyor in training). She also moderates our online forum.
Jeff Salmon
Business Angle
Jeff Salmon has been in the land surveying arena for over six years,
working as a survey instrument operator, land survey business manager,
and a land use consultant as well as a customer working with land
surveyors in land development and building projects. In addition to
his work in the survey field, Jeff has over twenty years experience in
the communications industry with management positions in advertising,
marketing, and public relations.
Wilhelm Schmidt, PLS
Second Thoughts &
Book Review
Wilhelm Schmidt is the former owner of the surveying firm Bascom and
Sieger in Allentown, Pennsylvania. You can contact him through us or
wilhelms@nni.com.
Robert Schultz, PhD
Education in Surveying
Robert Schultz is a professor of civil, construction, and environmental
engineering at Oregon State University in Corvallis, Oregon, where he
teaches surveying courses. He is also a contributing writer for the
magazine.
Laurence Socci
Surveying the Capitol
Laurence Socci is the chief executive manager and senior lobbyist of
The CLA Group, LLC, a government consulting, lobbying, and advocacy
firm in Washington, D.C., specializing in representing businesses and
associations. He is also the government affairs consultant for the
American Congress on Surveying and Mapping (ACSM).
James White, PLS
Software Review
Jim White owns a private practice in Schenectady, New York that
provides surveying and software development services.
Don Wilson, LLS, PLS, RPF
Rules of the Game
Don Wilson is president of Land & Boundary Consultants, Inc.; and
part owner of and the lead instructor in Surveyors Educational
Seminars, a member of the Professional Surveyor/RedVector Dream Team
providing online courses for continuing education; and a regular
instructor in the University of New Hampshire Continuing Education
System for 25 years. He is also co-author of several well known texts.
Tommy Woodsmall, PLS
Giggglebytes
Tommy W. Woodsmall is a registered land surveyor in Georgia and vice
president of Development Consultants Group in Duluth, Georgia. |