RAILROAD CONSTRUCTION ACTIVITY YEN VIEN, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79-00849A000600030007-8
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 4
• Document Creation Date: December 28, 2016
• Document Release Date: January 31, 2006
• Sequence Number: 7
• Publication Date: December 27, 1966
• Content Type: REPORT

Approved For Release 2006/0
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(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE: BLUE SPRINGS I ATTACHMENT TO L-2466
27 DECEMBER 1966
PAGE 1
RAILROAD CONSTRUCTION ACTIVITY
YEN VIEN, NORTH VIETNAM
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS A NEWLY IDENTIFIED PROBABLE
RAIL YARD UNDER CONSTRUCTION NEAR YEN VIEN. ADDITIONAL RAIL-
ROAD CONSTRUCTION AVTIVITY IS NOTED SOUTHWEST OF THE RAIL
YARD UNDER CONSTRUCTION.
2. LOCATION:
THE NEWLY IDENTIFIED RAIL YARD IS LOCATED ON THE HA NOI/
PING-HSIANG RAIL LINE, 1.1 NM NORTHEAST OF TILE YEN VIEN RAIL-
ROAD CLASSIFICATION YARD
3. REMARKS:
THE YEN VIEN RAILROAD CLASSIFICATION YARD HAS BEEN THE
TARGET OF NUMEROUS U.S. AIR STRIKES, AND IS UNDER ATTACK AT
THE TIME OF THIS PHOTOGRAPHY.
4. MISSION READOUT:
BLUE SPRINGS
RAILROAD YARD IN THE INITIAL STAGES OF CONSTRUCTION AT 2106N
10555E. DRAINAGE DITCHES HAVE BEEN CONSTRUCTED AND THE OPEN
WIRE TELEPHONE/TELEGRAPH LINE THAT PARALLELS THE RAIL LINE
HAS BEEN REALIGNED TO AVOID THE AREA OF CONSTRUCTION. PILES
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.
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CONFIDENTIAL
NGA Review Complete
 Approved For Release 2006/02/07 : CIA-RDP#OMM6464030007-8
REFERENCE: BLUE SPRINGS I ATTACHMENT TO L-2466
27 DECEMBER 1966
PAGE 2
OF CROSSTIES ARE LOCATED ADJACENT TO THE RAIL LINE IN THE
VICINITY OF CONSTRUCTION. FOUR TRACTORS WITH TOWED SCRAPERS AND
ONE TRACTOR WITH DOZER BLADE ARE OBSERVED IN THE AREA. THE
RAIL YARD WILL APPARENTLY BE APPROXIMATELY 3,300 FEET LONG
WHEN COMPLETED.
ADDITIONAL RAIL CONSTRUCTION ACTIVITY IS LOCATED 0.5 NM
SOUTHWEST OF THE PROBABLE RAIL YARD UNDER CONSTRUCTION, AT
21U5N 10555E. A NEW RAIL BY-PASS HAS BEEN CONSTRUCTED BY-
PASSING THE YEN VIEN RAILROAD CLASSIFICATION YARD AND CONNECT-
ING THE HA NOI/PING-HSIANG RAIL LINE WITH THE HA NOI/LAO CAI
RAIL LINE. A TURNING WYE TRACK IS UNDER CONSTRUCTION OFF THE
BY-PASS AT UTM WJ962325. UNIDENTIFIED CONSTRUCTION ACTIVITY
IS LOCATED JUST NORTHEAST OF THE TURNING WYE TRACK AT UTM
WJ9b4326. TWO TRACTORS WITH TOWED SCRAPERS ARE OBSERVED IN
TILE AREA.
THE YEN VIEN CLASSIFICATION YARD IS OBSCURED BY SMOKE
FROM AN AIR STRIKE.
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
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 25X1
NATIONAL PHOTOGRAPHIC RIIERPRETATION CENTER
1
Approved For Releas
YEN VIEN, NORTH VIETNAM
a OPEN WIRE TELEPHONE/TELEGRAPH LINE REALIGNMENT
~,. TRACTOR WITH TOWED SCRAPER
 25X1
pproved For Release 2006/02/07 : CIA-RDP79-00849A000600030007-8