North Marsh of Jug Bay Location: Jug Bay Wetlands Sanctuary near Upper Marlboro, MD Year: 2005 Merckslides catalogue number: 06-22512 Comments: An estuary silts up.

Beaver lodge and dam on Three Run Branch Location: Jug Bay Wetlands Sanctuary Upper Marlboro, MD Year: 2009 Merckslides catalogue number: 06-71302 Comments:

Marsh vegetation in north marsh Location: Jug Bay Wetlands Sanctuary Upper Marlboro, MD Year: 2009 Merckslides catalogue number: 06-71292 Comments:

Marsh vegetation in south marsh Location: Jug Bay Wetlands Sanctuary Upper Marlboro, MD Year: 2009 Merckslides catalogue number: 06-71293 Comments:

Ghost forest behind beaver dam Location: Jug Bay Wetlands Sanctuary Upper Marlboro, MD Year: 2009 Merckslides catalogue number: 06-71303 Comments:

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