UNCLASSIFIED
SECURITY CLASHFIC ATION OF THIS PAGE (When Dore Entered)
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ATT
REPORT DOCUMENTATION PAGE
R
BEFORECOM
PLETINGFORM
2. GOVT ACCESSION WO] D RECIPIENTS CATALOG NUMBER
WT-1609
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TTITLE foe (EX)Boneieion
OPERATION HARDTACK
Project 1.4 - PHYSICAL CHARACTERISTICS OF CRATERS
8. TYPE OF REPORT & PEMOD COVERED
FROM NEAR-SURFACE NUCLEAR DETONATIONS
6. PERFORMING ORG. REPORT NUMBER
WT-1609 (EX)
AUTHONS)
A. W. Patteson
6. CONTRACT OR GRANT NUMBEMa)
bre
9S.
PERFORMING ORGANIZATION NAME 4nNO ACDRESS
10.
Special Projects Branch
U.S. Army Engineer Research & Development Labs
Fort Belvoir, VA
10.
1a:
PROGRA
‘
12.
CONTROLLING OF FICE NAME AND ADORESS
Headquarters Field Command
Defense Atomic Support Agency
Sandia Base, Albuquerque, New Mexico
ELEMENT. PROJECT, TASK
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UNIT NUMBERS
MEPORT DATE
May 10, 1960
13. NUMBER OF PAGES
MONITORING AGENCY NAME & AODRESS(I! different fram Controlling Office)
1S.
SECURITY CLASS. (of thie repert)
UNCLASSIFIED
$e.
er
16.
17.
16.
OECLASSIFICATION/ DOWNGRADI
SCHEDULE
ms
7
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CASTRIBUTION STATEMENT (of thie Report)
Approved for public release; unlimited distribution.
OISTRIBUTION STATEMENT (of the abstract entered in Bloch 20, if different trom Report)
SUPPLEMENTARY NOTES
This report has had the classified information removed and has been republished
in unclassified form for public release. This work was performed by Kaman Tempo
under contract DNA001-83-C-0286 with the close cooperation of the Classification
Management Division of the Defense Nuclear Agency.
19.
KEY BORDSE (Continue on reverse side if necessary and identify. by block number)
Operation HARDTACK
Craters Characteristics
Nuclear Detonations
20.
ABSTRACT (Continue on reverse side if necessary and identify by block number)
The objective of this project was to measure and correlate with existing data the
physical characteristics of craters (radius, depth, lip height and width, throwout,
and permanent verticl ground-surface displacement surrounding the crater) resulting
from near-surface nuclear detonations.
DD oem7 1473s
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SECURITY CLASSIFICATION OF THIS PAGE (Phon Date Entered)