TY  - BOOK
AU  - Ambrose,J.D.
ED  - Her Majesty΄s Stationery Office
TI  - The sand and gravel resources of the country around Layer Breton and Tolleshunt D' Arcy, Essex: description of 1:25 000 resources sheet TL 91 and part of TL 90 : assessment of British sand and gravel resources
T2  - Institute of Geological Sciences : Natural Environment Research Council. 73/8
SN  - 0118806149
U1  - 553.6271331 
PY  - 1973///.
CY  - London: 
PB  - Her Majesty's Stationery Office, 
KW  - Sand
KW  - Gravel
KW  - Essex
N1  - Conduct map: the sand & gravel resources of sheet TL 91 & part of sheet TL 90 (Layer Breton and Tolleshunt D' Arcy, Essex); Includes bibliographical references (p. 9-10)
ER  -