Elevation of the late Wisconsinan to early Holocene regressive unconformity (Ur) beneath Vineyard and western Nantucket Sounds, Massachusetts (Esri binary grid; UTM, Zone 19N, WGS 84)

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived...地质图、沉积物结构图与地貌分区图，表征了美国马萨诸塞州葡萄园湾（Vineyard Sound）及南塔克特湾西部（western Nantucket Sounds）的海底特征。上述地图系经推导所得。