Southern sector Danang TAOR for 27th Marines was found in several map sheets, the predominant one being Sheet 6640-IV.
The map as a whole can be found at :
http://www.virtual.vietnam.ttu.edu/cgi-bin/starfetch.exe?D1p8WCXnruJhXYoNprZZi4QuIZZc7w.QKtgYVk.UJPl@i2WUuTMO9MpZl.esdfAHXNhv5LhFdd9cghpxE.FL@u3oImM1ymzk/6640-4.jpg"
A B/W version of the map:
| 
| 
|
| 
| 
|
| 
| 
|
| 
|  |
Produced by: Army Map Service//Scale: 1:50000
Title: Dai Loc/ Series: L7014
Contour Interval: 20 Meters
NW Lat./Long.: 16 degrees N x 108 degrees E
SE Lat./Long.: 15 degrees, 45 minutes N x 108 degrees, 15 minutes E
Grid Zone: Grid: AT West-East: 790-990; South-North: 430-710
BT West-East: 000-050; \South-North: 430-710