At head of title: Department of the Environment, Scottish Development Department, Welsh Office.
114,[5]p,64plates in 1 September amended version.
Kept up-to-date by amendments.
Criteria for the assessment of steel box girder bridges with particular reference to the bridges at Milford Haven and Avonmouth : Appendix A: interim design appraisal rules [as at] 1 September 1971. ISBN 0903197006. Published by Department of the Environment (Scottish Headquarters) in 1971. Publication and catalogue information, links to buy online and reader comments.