... MATERIALS SURFACING COMPACTION CAPACITY CULVERTS LOW SYSTEMS SECONDARY LOGGING STUDIES CLIMATE DRAINAGE FILLING TIMBER GRASS TRAFFIC BRIDGES LOW COST MARANHAO BRAZIL SOUTH AMERICA 7614 Designs and estimates for low cost roads in north-east Brazil K.W. CROSS, TD. MICE,MlnstHE...

... be kept relatively low if maintenance is done regularly and with care. Turf has a limitedresistance to mechanical forces and to frequent contact with salt water. Moreover, a fertile soil lining is necessary because of the sensitivity of grass to long droughts, excessive sunshine, and severe frost. 3. When...