RIVER CROSSING ACTIVITY TAM DA, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP85T00339R000100040003-8
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 4
• Document Creation Date: December 28, 2016
• Document Release Date: February 18, 2009
• Sequence Number: 3
• Publication Date: December 19, 1968
• Content Type: REPORT

Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
 Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
CONFIDENTIAL
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
ATTACHMENT TO M-5370 25X1
19 DECEMBER 1968
PAGE 1
RIVER CROSSING ACTIVITY
TAM DA, NORTH VIETNAM
185oN 10539E
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS EXTENSIVE REPAIR ACTIVITY TO A RIVER
CROSSING NORTH OF VINH AS WELL AS HEAVY CONVOY ACTIVITY MOVING ON ROUTE lA.
2. LOCATION:
11 NM NORTH OF VIlVH ON ROUTE lA AND THE THANH HOA~VINH RAIL LINE.
3. BACKGROUND:
THE TAM DA CROSSING, A MAJOR CROSSING POINT ON THE THANH HOA-VINH
RAIL LINE AND ROUTE 1A, HAD BEEN ALMOST CONTINUALLY INTERDICTED BY U. S.
BOMBING. IMMEDIATELY FOLLOWING THE 1 NOVEMBER 1968 BOMBING HALT, ONE RAIL
(BY-PASSE BRIDGE WAS REPAIRED AND WORK WAS BEGUN ON THE HIGHWAY CROSSING.
4. MISSION READOUT:
THE RIVER CROSSING POINT IN THE TAM DA AREA.
APPROXIMATELY 200 TRUCKS ARE OBSERVED ON ROUTE 1A; 126 OF WHICH ARE
HEADED SOUTH (39 SHOWN ON GRAPHIC) INCLUDING SEVEN TRUCKS CARRYING PROBABLE
PIPE SECTIONS (ONE NOT SHOWN ON GRAPHIC ~ AND SEVERAL POL TRUCKS. SEVENTY-
FOUR TRUCKS ARE HEADED NORTH (33 SHOWN ON GRAPHIC. MOST SOUTHBOUND TRUCKS
ARE LOADED OR CANVAS-COVERED AND MOST NORTHBOUND ARE EMPTY OR CANVAS-COVERED.
PHOTOGRAPHY OF (REVEALS A HIGH LEVEL OF ACTIVITY AT 25X1
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re~
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division. NPIC.
CONFIDENTIAL
Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
 Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
CONFIDENTIAL
c NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER ~
ATTACHMENT TO M-5370 25X1
19 DECEMBER 1968 I
PAGE 2
OF THE THREE BRIDGES SHOWN ON THE GRAPHIC, ONLY THE SOUTHERN ROAD BY-PASS
THE RAIL BY-PASS BRIDGE AND NORTHERN 25X1
ROAD BY-PASS BRIDGE ARE UNSERVICEABLE. (NOT SHOWN ON THE GRAPHIC IS A
SERVICEABLE RAIL BY-PASS BRIDGE AND THE MAIN RAIL BRIDGE WHICH IS UN-
SERVICEABLE.) REPAIR WORK ON THE APPROACH TO THE NORTHERN ROAD BY-PASS
BRIDGE AND THE MAIIV RAIL BRIDGE IS UNDERWAY. FIVE PROBABLE DT-54 TRACTOR
BULLDOZERS ARE OBSERVED WORKING IN THE AREA.
PHOTOGRAPHY OF REVEALS A PORTION OF THE SOUTHERN ROAD
BY-PASS BRIDGE AWASH AND APPROXIMATELY 250 PERSONNEL APPARENTLY CROSS IlVG THE
BRIDGE HEADING SOUTH. RECONSTRUCTION OF THE NORTHERN ROAD BY-PASS BRIDGE IS
OBSERVED IN PROGRESS.
THE RAIL BY-PASS BRIDGE (NOT SHOWN ON GRAPHIC) HAS BEEN CARRYING TRAFFIC
SINCE EARLY NOVEMBER AND NOW INDICATIONS ARE THAT THE MAIN RAIL BRIDGE IS
GOING TO BE REPAIRED. THE SOUTHERN APPROACH TO THIS BRIDGE IS BEING GRADED AND
PREPARED FOR NEW TRACK.
THIS IS THE TYPE OF ACTIVITY THE NORTH VIETNAMESE ARE UNDERTAKING ON
MOST OF THE MAJOR ROUTES TO THE SOUTH THROUGHOUT THE PANHANDLE AREA.
MISSION:
MAP REFERENCE AMS SERIES L7014 SHEET 6146 IV. SCALE: 1:50,000
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re~
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division. NPIC.
CONFIDENTIAL
Approved For Release 2009/02/18 :CIA-RDP85T00339R000100040003-8
 Approved For Release 2009!02118 :CIA-RDP85T00339R000100040003-8
CONFIDENTIAL
REPRODUCTION OF THLS DOC-
UMENT IN WHOLE OR IN PART
IS PROHIBITED EXCEPT WITH
THE PERMISSION OF THE
OFFI , . OF 4RII'iIN~_____
NATIONAL SUBSTANTIVE
BRIEFING AIDS
COLLECTION
RETURN T0:
BRIEFING AIDS UNIT
ROOM 45.473G
25X1
Approved For Release 2009!02118 :CIA-RDP85T00339R000100040003-8