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Highway improvement. 1. Earth roads and culverts

Creator:

Ayres, Ernest Flagg and Oregon Agricultural College. Extension Division

Abstract:

Published 1912. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Macadam . s to z inch per foot. Stone Block . 4 inch per foot. Wood Block 4 inch per foot. Brick