Sediments off Cape Ann to Cape Cod, MA acquired in 1973 (SCHLEE73 shapefile)

The reconnaissance maps upon which this data set is based show the areal distribution of the major bottom sediment types covering the sea floor off Massachusetts...本数据集所依托的踏勘地图，展示了覆盖马萨诸塞州外海海底的主要海底沉积物类型的面状分布情况。