yndent 
zew ski 
rs 
eard 
oseph 
ler 
ison 
rancis 
Organisation 
Hull University, 
Dept. of Geography, 
Institute of 
Geological Sciences 
€ 
Kingston Polytechnic 
School of Civil 
Engineering. 
Kingston College of 
Further Education, 
Lanchester 
Polytechnic, 
Dept of Civil 
Engineering & 
Building. 
Leeds University, 
Dept. of Civil 
Engineering. 
London, The 
Polytechnic of 
Central London, 
Dept. of Civil 
Engineering. 
London, Imperial 
College of Science 
and Technology, 
Royal School of 
Mines. 
London, Imperial 
College of Science 
and Technology, 
Dept. of Geology. 
London, North East 
London Polytechnic, 
Dept. of Surveying. 
London, Polytechnic 
of South Bank, 
London, University 
College, 
Dept. of 
Photogrammetry & 
Surveying. 
55 
Address 
The University, Hull. 
5 Princes Gate, 
S. Kensington, 
London, S. W. T. 
Canbury Park Rd, 
Kingston upon Thames, 
Surrey. 
Kingston Hall Rd. 
Kingston upon Thames, 
Surrey. 
Priory St. 
Coventry. 
Leeds 2, Yorkshire. 
35 Marylebone Rd. 
N. W.1. 
London, 9. W. 7. 
London, S. W. 7. 
Forest Road, 
London, E.17. 
Borough Road, 
London, S. E. l. 
Gower St. London, 
w.C.l. 
Telephone 
0482 408960 
01-584 6465 
01-549 0151 
01-546 7222 
0203 24166 
Leeds 31751 
01-486 5811 
01-589 5111 
01-589 5111 
01-527 2272 
01-622 0161 
01-387 7050 
Correspondent 
C.D.P.Brachi 
E. A. Stephens 
W. Schofield 
L. Southerby- 
Smith 
P. A. Greengrass 
J. Garner 
J. L. Ellis 
D. M. Ross- 
Brown 
J. W. Norman 
J. R. Hollwey 
G. Bower 
K. B. Atkinson