All posts by Annie Ellis

Survey in the Grand Canyon, 40 Years Ago

By Michael L. Binge, PLS/GISP (ret)  I truly enjoyed your recent piece “Moving Water in the Grand Canyon” (March, 2021). It brought back many memories. In 1982-83 I was party chief for the survey in the Grand Canyon to replace the section of water line from Indian Gardens to the South Rim.   Oh how the...

Lidar, 3D Modeling Bringing Fort Anne Back to Life

A Canadian archaeologist is using advanced mapping and visualization technologies to bring one of the earliest European settlements in North America back to life. Dr. Jonathan Fowler combined a centuries-old map with a modern 3D terrain model to portray Fort Anne and its surrounding in stunning detail – just as the Nova Scotia site looked...

Preventing Damage to Underground Utility Lines

Common Ground Alliance (CGA), the national nonprofit trade association dedicated to protecting underground utility lines, people who dig near them and their communities, today published a Report to the Industry as part of its Next Practices Initiative. The Next Practices Initiative launched in 2020 with the goal of driving innovative solutions to the damage prevention industry’s biggest challenges,...