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NH 5. Madison Bog Ponds (Mack Pond; Drew Pond) Acreage: 100 estimated. 



Location: Carroll County; Ossipee Lake Quadrangle. 



Description: Mack Pond and Drew Pond are excellent bog ponds. The water 

 level of Mack Pond has recently been altered by beaver activity that has 

 regressed the bog forest succession. The bog around the pond is dominated by 

 sedges (Carex lasiocarpa and Cladium mariscoides). Drew Pond is surrounded by 

 a typical bog heath with larch and black spruce. Orchids such as Arethusa and 

 Calopogon are present in the area. 



Ownership: Presumably private. 



Data source: F. L. Steele, Tamworth, N.H. 03886. 



Other knowledgeable persons: Alexander Lincoln, Meredith, N.H. 03253; Dr. 

 Albion Hodgdon, Dept. of Botany, University of N.H. , Durham, N.H. 03824. 



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