Rock maple

Acer saccharum (sugar maple, also called rock maple), a native of North America, is a deciduous tree normally reaching heights of 25—35 m. In Canada the tree extends from the extreme southeast corner of Manitoba, through central Ontario, the southern third of Quebec and aU of New Brunswick and Nova Scotia. Within the United States the species is found throughout New England, New York, Pennsylvania from central New Jersey to the Appalachian Mountains in North Carolina, Tennessee, Missouri a small area of Kansas, Iowa, and the eastern two-thirds of Minnesota. Sugar maple is a landscape... 

For millenia, hardness has been used to characterize materials for example, to describe various kinds of wood ranging from soft balsa wood to hard maple and ironwood. Mineralogists have used it to characterize differing rocks, and gemologists for the description of gems. Ceramists and metallurgists depend on it for classifying their multitude of products. 

Atlas Powder Co. (1987). Explosives and Rock Blasting. Maple Press p. 647, Lebanon, PA. 

Bmt mtgar is the same aa cane-sugar, except that, as usually met with in oommeroe, it is lighter, bulk for. bulk. Sugar ndy, or rock ca idy, is cane-sugar allowed to crystallize slowly from a ooncentrated soluti with-ooi agitation. Maple gar is a partially refined, but not decolorized variety cd eaneengar. 

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