Source/System Identifier: G052014600027Library Control Number (LCN): 0520146Record Identifier: 530463Title: Vietnam 1:50,000. Son La, Vietnam. [L7014 57511].Series Identifier: L7014Sheet Number: 57511Edition: 002Scale: 50000Publisher Name/Code: U.S. National Geospatial-Intelligence Agency. Bethesda. 090000Secondary Publisher Name/Code:NGA Reference Number: L701457511 National Stock Number: 7643014022884Inset:Coordinates: E 103 45 00 -- E 104 00 00 / N 21 30 00 -- N 21 15 00 Primary Geopolitical Description/Code: VIETNAM/VMSecondary Geopolitical Description/Code: VM/APrimary (Significant) Date: 1966-01-01Item 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): 21.250000000Left Longitude (MBR): +103.750000000Right Latitude (MBR): +21.500000000Right Longitude (MBR): +104.000000000PDF Version: 1.6