| Feature Name: | Marshall Marsh
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| Feature Type: | swamp
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| State: | California
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| County: | Marin
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| County Population: | 247289
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| County Housing Units: | 104990
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| County Size: | 519.8 Square Miles
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| Latitude: | 38.1625
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| Longitude: | -122.8925
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| Map Cell Name: | Tomales
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| Geographic Keywords: | Marsh,
Marshall
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