The crap that archaeology studies is usually buried under craploads of dirt. Not only does it take a crapload of time, if you fail to find anything then you are effectively an extremely overeducated ditch-digger.
And if you do find something, it's always a series of small walls.
By 1942 however, Southwestern archaeological tree-ring dating once again became the exclusive domain of the Laboratory of Tree-Ring Research at the University of Arizona, and by 1950 efforts to extend tree-ring dating to other parts of North America as well.
reports that Viniansky Castle’s main gate has been found.
Such excavations and investigations as took place over ensuing centuries tended to be haphazard; the importance of concepts such as stratification and context were usually completely overlooked.