PLSO The Oregon Surveyor Sept/Oct 2020

25 Professional Land Surveyors of Oregon  |  www.plso.org The Lost Surveyor Photo 5: The T-14 benchmark. Photo 3: Two blocks from Lownsdale Square is the United States Geological Survey Benchmark T-14, set vertically in the base of the granite pillar on the west face of City Hall on SW 5th Avenue. Even with the transition to CAD drafting methods, Daley’s creativity continued.