Timber highway bridges
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| Format: | Book |
| Language: | English |
| Published: |
Chicago :
National Lumber Manufacturers Association ,
1918
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Add Tag | Physical Description: | 76p.: ill ; 23.5cm |
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| Bibliography: | Index: pp 77-79 |
Lecture notes on simple calculations in the design of forest bridges of stock spans of 15, 20, 30 and 40 feet