This is a scan of a negative I took over fifty years ago, in the mid 1960s. I can date it because of the rest of the shots on the strip of negatives - but even if they had not been there, I would have some idea of the date by the shape of the straw bales. These are good, old-fashioned, farmers' back-breaking, rectangular bales which would emerge from the baler machines of the 1960s. Just about the time I was taking this photograph a young graduate student at Iowa State University was working on his masters thesis which incorporated a design for a baling machine that could produce circular bales which could be easily pushed around. By the end of the decade, the shape of the countryside was changing and my photograph had become history.