Joint Progress Report on Reservoir Efficiency and Well Spacing by Committees on Reservoir Development and Operation
1943. No Edition Remarks. 77 pages. No dust jacket. Blue cloth with gold lettering. Pages are lightly tanned, but text remains clear. Binding is firm. Previous owner's inscription to front free endpaper. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Spine ends are slightly crushed.