Geologic interpretation of aeromagnetic maps, Pottstown, Wagontown, Downingtown, Coatesville, Unionville, Honeybrook, & Parkesburg quadrangles,
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| Format: | Book |
| Language: | English |
| Published: |
[Harrisburg]
Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey,
1960.
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| Series: | Information circular (Pennsylvania. Bureau of Topographic and Geologic Survey) ;
37. |
| Subjects: |