Aeromagnetic map of central Maryland, southern Pennsylvania, and Delaware showing generalized geologic relations of the crystalline rocks /
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| Other Authors: | , |
| Format: | Map |
| Language: | English |
| Published: |
Washington, D.C. :
Williams & Heintz Map Corporation,
[1979?]
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| Item Description: | "Plate 2." This is one of 3 plates that originally accompanied the text: Geological interpretations of aeromagnetic maps of the crystalline rocks in the Appalachians, northern Virginia to New Jersey ; Report of investigations number 32, 1979. Cartographic material. |
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| Physical Description: | 1 map : color ; 66 x 106 cm. |