by
Rosanne Hessmiller
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last modified
Jun 10, 2025 03:56 PM
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filed under:
Wetlands,
Marl marsh,
Birds,
American Black Duck
Altona-Piedmont is a botanical jewel that contains 15 rare plant species known from 5 or fewer West Virginia locations. Twelve species occur only in marl wetlands. Marl is soft calcium carbonate material that forms in some limestone areas and is mixed with clay and organic materials. Altona-Piedmont consists of 94 acres of marl marsh, open swamps and thickets and is located on Evitts run at an average elevation of 515 feet. The marsh is bisected by tracks of the CSX Railroad.
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