Source/System Identifier: G052014600155Library Control Number (LCN): 0520146Record Identifier: 447393Title: Vietnam 1:50,000. Na Lay, Vietnam; China. [L7014 60553].Series Identifier: L7014Sheet Number: 60553Edition: 002Scale: 50000Publisher Name/Code: U.S. National Geospatial-Intelligence Agency. Bethesda. 090000Secondary Publisher Name/Code:NGA Reference Number: L701460553 National Stock Number: 7643014023007Inset:Coordinates: E 105 00 00 -- E 105 15 00 / N 23 15 00 -- N 23 00 00 Primary Geopolitical Description/Code: VIETNAM/VMSecondary Geopolitical Description/Code: VM/A/CHPrimary (Significant) Date: 1968-01-01Item 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: M0040Left Latitude (MBR): 23.000000000Left Longitude (MBR): +105.000000000Right Latitude (MBR): +23.250000000Right Longitude (MBR): +105.250000000PDF Version: 1.6