| Show valuable wood the tree most valuable in tho the guiana forests Is that thai known as or Green beart is among lloyds list ot of eight first class woods and Is 3 one of the strongest woods in use it Is employed largely in engineering gi and construction work harbor works railway trestles and bridges the 50 large pairs of 0 lock gates gate I 1 in the Alan manchester cheter ship canal are all built ot of from Deme rara engineers have said it is impossible to estimate the durability of particularly part cul arly in the construction ot of docks their lasting quality being limited only by the lion iron bolts and other used |