The Old Wharf site on the Chesapeake Bay was occupied over a period of at least 3000 years, from about 1000 BC through the 19th century. Disturbed material turned up during construction of a parking lot. What can be inferred from this information?
1) The Old Wharf site was used for parking in the 19th century.
2) The Old Wharf site was used for parking in the 1000 BC.
3) The Old Wharf site was occupied for a long period of time.
4) The Old Wharf site was never used for parking.