Source/System Identifier: G052014600131Library Control Number (LCN): 0520146Record Identifier: 436256Title: Vietnam 1:50,000. Lang Tung, Vietnam. [L7014 60492].Series Identifier: L7014Sheet Number: 60492Edition: 001Scale: 50000Publisher Name/Code: U.S. National Geospatial-Intelligence Agency. Bethesda. 090000Secondary Publisher Name/Code:NGA Reference Number: L701460492 National Stock Number: 7643014022992Inset:Coordinates: E 105 15 00 -- E 105 30 00 / N 20 15 00 -- N 20 00 00 Primary Geopolitical Description/Code: VIETNAM/VMSecondary Geopolitical Description/Code: VM/APrimary (Significant) Date: 1964-01-01Item Classification/Releasability Constraints:U OOProjection Description/Code: TRANSVERSE MERCATOR - TRANSVERSE CONFORMAL CYLINDRICAL/TCHorizontal Datum Description/Code: INDIAN (BAKGLADESH, PAKISTAN, INDIA AND NEPAL)/INDVertical Datum Description/Code: LOCAL MSL/3REllipsoid/Spheroid Description/Code:Grid Description/Code: UNIVERSAL TRANSVERSE MERCATOR GRID/UTContour Interval Dimensions/Units: M0020Left Latitude (MBR): 20.000000000Left Longitude (MBR): +105.250000000Right Latitude (MBR): +20.250000000Right Longitude (MBR): +105.500000000PDF Version: 1.6