Found 4 datasets matching filters.
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These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-topographic DEMs are used...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-12-18 -
The Mill Pond elver ladder is one of only a few elver ladders exist in Massachusetts and even fewer have a trap to enumerate the number of migrating young of the year elvers (Anguilla rostrata)....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-28
