特别是盐运，东部的海盐，经永安溪水运，在皤滩起埠，过苍岭内运至西南诸省，在抗日战争最多时达每年3万吨以上。
O O O O O O B-Location I-Location O B-Thing I-Thing O O B-Thing I-Thing I-Thing O O O O B-Location I-Location O O O O B-Location I-Location I-Location O O B-Location I-Location I-Location I-Location O O B-Abstract I-Abstract I-Abstract I-Abstract O O O O B-Time I-Time B-Metric I-Metric I-Metric I-Metric I-Metric O