A method for producing multi-ply, parallel-laminated pine lumber of 1 1/2 inch thickness from one-quarter inch thick rotary peeled veneers. The method is characterized by a carefully designed lay-up of plies whereby the butt-joints within individual plies are selectively located to achieve, overall, a rather precisely defined, staggered, butt-joint array with respect particularly to the butt-joints within immediately adjacent plies. Heat-setting phenol-formaldehyde type glues are employed to form three-ply sheets. Cold-setting phenol-resorcinol type glues are employed to form the ultimate ply slab from pairs of three-ply sheets. Lumber of selected width is then ripped from the ply slabs.