J. H. Atkinson
N. J. Selby
Young, Anthony.
Stanley Alfred Schumm
Eddie Bromhead
Arno Kleber
Denys Brunsden
Anthony Young
A. J. Parsons
M. J. Selby
J. Michael Duncan
N. E. Simons
Brian Finlayson
Alistair F. Pitty
Quentin Roosevelt Keener
Montana. State Highway Commission. Materials Division
M. G. Anderson
Ireneusz Malik
Raymond Pestrong