What often gets lost in the gloss of large construction projects are the small, precise elements that lead to the high-profile finish—the nitty…
Category: Feature
Let’s Fly It!
Photogrammetry saves the day
In November 2019 my company, Plisga & Day Land Surveyors in Bangor, Maine, was suddenly faced with three big projects that were open…
Seabees, Marine Engineers & Their Mysteries on Iwo Jima
Having found a family connection with Iwo Jima in 2016, we are in the midst of an odyssey to discover what happened to…
Construing Descriptions for Riparian Tracts
Upland Conveyances, Generally For nearly all states, on a river navigable for title, the upland’s riparian boundary with the State (owning the riverbed)…
Carlson PhotoCapture and xML2
Accurate Image-Based Trench Mapping
Carlson Software has greatly expanded its product line over its 38-year history, and recently has introduced two new products that represent technology breakthroughs:…
Exploring the Mystery of Nantucket’s Meridian Stones
In 1840 the astronomer and surveyor William Mitchell erected two white marble obelisks on perpendicular sidewalks in the Town of Nantucket, Massachusetts. These…
Ship Scanning Sets Sail
Engineering surveyor Danie Roelvert is a strong believer in one particular guiding principle: what is yours will come to you when it’s ready….
Making Maps in Ireland
I joined Northern Irelands Ordnance Survey in 1966. Truly it was an organisation that hadn’t changed for more than one hundred years. Hardly…
Exhibition of Jo Mora’s Whimsical Map Delights
Pass between stone sphinxes and cross the sunlit space beneath the muraled rotunda of the Los Angeles Central Library and you’ll arrive at…
Twice Told Tales
A survey retracement in 2019, a forest fire in 2020, and a re-visit in 2021 result in unexpected surprises
A survey retracement in 2019, a forest fire in 2020, and a re-visit in 2021 result in unexpected surprises