Compiled by the Geological Survey of N.S.W., Division of Regional Geology. Topographical base compiled from Snowy Mountains Hydro Electrical Authority, Department of Lands, County maps and Snowy Lease Map. Other sheet adjoin this map. There are 13 formation sections grouped into 9 - Quaternary, Tertiary, Middle Devonian, Lower to Middle Devonian, Lower Devonian, Upper Silurian, Silurian, Upper Ordovician and Ordovician.Large coloured map showing geological features, faults, bores, rivers and mineral deposits.Scale of map, longitude and latitude, river names. "Tallangatta 1:250,00" written in black pen.tallangatta, new south wales, geological survey, topographical base, snowy mountains hydro electrical authority, department of lands, snowy lease map, department of mines, quaternary, tertiary, middle devonian, lower to middle devonian, lower devonian, uper siluran, silurian, upper ordovician, ordovician