Old-style IB with triangular target marks on a DKM-1 Centring Tripod -late…
Land Surveyors United • October 6, 2025, 9:30 pm
Old-style IB with triangular target marks on a DKM-1 Centring Tripod -late 1950's-early1960's on Dam construction
Land Surveyors United • October 6, 2025, 6:00 pm
Tshering Wangchuk submission to Life of a Surveyor
Land Surveyors United • October 6, 2025, 4:00 pm
Another great historic surveying moment shared by Joe Rohan
Old-style IB with triangular target marks on a DKM-1 Centring Tripod -late…
![Old-style IB with triangular target marks on a DKM-1 Centring Tripod -late…]()
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10/06/2025 05:34:00 PM
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