GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
Any good machine shop would be able to weld and deck (machine) the surface. Don't take more than 0.005 inch (5 thousandths inch) off. Depending on the engine it may be easier to find a used head that doesn't need any work or maybe a slight resurfacing of the deck.