Baltimore county
| Image |  |
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| Description | 1929 publication by Maryland Geological Survey |
| Author/s |
author: Eleanora Knopf Edward Wilber Berry Louis Agricola Bauer Maryland Geological Survey |
| Publication date | 1929 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
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| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |