Wallhallow, Northern Territory [cartographic material] : Commonwealth topographic survey /

Provisional ed. Topographic map of Wallhallow region, Northern Territory showing classes of roads, railway and telephone lines, mines, post offices, wireless transceivers, windpumps, airports or airfields and landing grounds, horizontal control points, astronomical positions, bores, tanks, wells, waterholes, dams and watercourses. Relief shown by spot heights.; "Horizontal control: Astronomical determinations by Division of National Mapping".; "Vertical control: Barometric determinations by Division of National Mapping".; "Air photography: Royal Australian Air Force, 1947".; "November 1960".; "Elevations: In feet above mean sea level".; "This provisional edition has not been field checked. It is distributed at this stage in order that topographic information of some practical value may be available for immediate use".; "Magnetic declination at the centre of this map is 4040' (approx) East of True North".; "NMP/58/057".; Includes index to adjoining sheets and reliability diagram.; Also available online http://nla.gov.au/nla.map-vn5718325.Refer to this map as E53-7 Wallhallow 4 mile topographic seriesRefer to this map as E53-7 Wallhallow four mile topographic serie