Maps of three segments in the Camden-Delaware Valley area surveyed as part of a radiological survey, outlining "Radioactivity levels in hundreds of counts per second normalized to 500 ft above ground." Scale 1:250,000.
Map showing biological resources (aquatic organisms, terrestrial organisms, land use, etc.) in the Salisbury region of the Atlantic coast area. Scale 1:250,000.
Map showing biological resources (aquatic organisms, terrestrial organisms, land use, etc.) in the Wilmington region of the Atlantic coast area. Scale 1:250,000.
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