area113_0401d -- Polygon coverage of survey bounds for HMPR-113-2004-01d

Benthic habitat polygon coverages are being created for the Olympic Coast national marine sanctuary(OCNMS).目前正为奥林匹克海岸国家海洋保护区（Olympic Coast National Marine Sanctuary，OCNMS）创建底栖生境（Benthic habitat）多边形覆盖数据集。