Historical Land Surveying Projects
From 1993 to 1995, Underhill surveyed the Gwich’in Land Claim boundaries across NT and Yukon, securing over 24,000 km² of land.
From 1996–2001, Underhill’s DCB software supported FDSI in digitizing over 1.5 million poles and attachments for U.S. utilities.
Underhill surveyed over 2,700 boundary corners across 1.9 million km² for the Nunavut Land Claim—Canada’s largest land settlement.
Underhill helped convert over 1,000 square miles of utility data for FPL’s IBM GFIS system, delivering high-accuracy, GIS-ready results.
Underhill captured and processed GIS and cadastral data for 500+ Canada Lands parcels and over 30 communities across BC, Yukon, NWT, and Nunavut.
Underhill conducted the first mineral lease survey using BC’s geographic cell system at Ruby Creek near Atlin.
Underhill led mapping, modernization, and GIS integration for North Fraser Harbour from 1958 to 2008, shaping today’s Port Metro Vancouver.
Underhill delivered precision surveys, laser scanning, and legal right-of-way mapping for the Canada Line rapid transit project.
Underhill delivered precision surveying for 140 km of railway, including two tunnels and 15 bridges, through BC’s Rocky Mountains.
Underhill completed cadastral surveys for Pre-Effective Lands under the Maa-nulth Treaty, supporting First Nations self-governance on Vancouver Island.
Underhill scanned four heritage buildings at Vancouver’s oldest school, delivering 2D elevations and a 3D Webshare model for design use.
Underhill surveyed over 2,000 km of boundaries for the Inuvialuit Final Agreement—the first GPS-based land claim survey in Canada
Underhill provided surveying and 3D scanning for BC Place’s retractable roof—the largest cable-supported stadium roof in the world.
Underhill surveyed 679 corners and 3,500+ km of natural boundaries for the Sahtu Land Claim in the Western Arctic from 1995 to 2003.
Underhill upgraded cadastral accuracy across BC communities through ICIS projects, using COGO, GPS, and GIS data integration.
Underhill has surveyed North Vancouver’s school sites for over 50 years, using 3D scanning and legal surveys to support design and preservation.
Underhill supported Centerm container port upgrades over four decades, providing legal, construction, and crane alignment surveys.
Underhill has served Vancouver’s ports for over 50 years, providing geodetic control, lease surveys, and cadastral mapping for VFPA projects.