OSSGA Commercial Aggregate and Membership Directory (Source Book)
The OSSGA Commercial Aggregate and Membership Directory is a comprehensive guide to OSSGA, its members, industry suppliers, industry related companies and associations, and key government ministries. Full-colour, pull-out aggregate resource location maps are also included. This publication is designed to assist members access their industry colleagues. It's an invaluable reference guide to members and non-members.
OSSGA Materials Reference Guide (updated in 2016)
The Materials Reference Guide has been updated for 2016. The booklet includes updated aggregate specification tables, definitions, aggregate tests, sample testing aggregates, conversions and statistics, and a metric reference for sieves.
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