Chuck Simpson and David Brauner trowelling stratigraphic change over House 1
Chuck Simpson and David Brauner trowelling to expose the stratigraphic change over House 1, July 1969; 45GA61.12530 6-367
Chuck Simpson and David Brauner trowelling to expose the stratigraphic change over House 1, July 1969; 45GA61.12530 6-367