The wood was the quality of pallet lumber. Outhouses are commonly humble and utilitarian, made of lumber or plywood. LVL belongs to the category of engineered wood called structural composite lumber. Conifers are of great economic value for softwood lumber and paper production. These products are members of the structural composite lumber (SCL) family of engineered wood products. There are problems with using the wood as lumber, however. He demanded payment for the lumber and firewood gathered by the missionaries. Structural lumber and furniture were splintered and scattered about. Grist, cider, lumber, and fulling mills were built. Utica's economy centered around the manufacture of furniture, heavy machinery, textiles and lumber. Industry is focused upon coal, petroleum, lumber, machinery, and food. Hardest hit were farm commodities such as wheat, cotton, tobacco, and lumber. It was formerly heavily invested in commercial lumber and building materials. Some of the lumber went into shipbuilding. It made steel castings for the dredging, lumber and shipping industries.