Graves & Ramsdell?
I think it might be Graves & Ramsdell. They ran some amusement type parks etc. in NH. I found this on line. There is even a picture of some canoes included. Maybe the one in question??
http://www.hampton.lib.nh.us/hampton/history/casino/oldcasinomenu.pdf
PINE ISLAND PARK, the Wonderland of New Hampshire
leased by
Graves & Ramsdell, is four miles from the centre of
Manchester, N. II., within easy riding distance of Nashua and
Derry, and comprises 135 acres of land along the shor? of a pleasure
pond a mile or more in length and is wooded with a tall growth of
Pine trees. The principal amusements are boating, bathing, dancing
and skating.
The bath house has 100 rooms equipped with shower baths, hot
and cold water, etc . Half of the bath house is reserved for ladies,
and expert swimmers are in attendance to teach beginners . The
skating rink is on North Island . It has a floor 80x100 feet, and was
erected in 1907 .
The dancing pavilion's broad balconies overhang the water . The
dancers are admitted by ticket and the floor is cleared after each
dance, there being ample room on the wide verandas for the dancers .
An open air refreshment room on a low balcony is very popular
and on the lowest floor at the water level are canoes and boats .Among the other attractions are a large bowling alley, box ball,
penny arcade, roller coaster, merry-go-round, circle swing, various
1 •ooths, and a first class dining room .
There are numerous pleasant walks about the shore and along
the brook which feeds the pond. If picnic parties so aesire one of
the large islands is reserved for their use.