Sketches of Maits cave, after Maitland Thompson who described it after a visit in the 1930s, This represents the earliest surveying technique where sketches are made as measurements are taken
Some early surveys using Disto X2.
Sketches of Maits cave, after Maitland Thompson who described it after a visit in the 1930s, This represents the earliest surveying technique where sketches are made as measurements are taken
Some early surveys using Disto X2.