Despite the current crisis in the Gulf, archaeologists are determined to get on with business as usual in planning for next season’s digs. Indeed, the 1991 installment of BAR’s annual survey, “1991 Excavation Opportunities,” presents a record number of digs: 27 sites in Israel and Jordan that seek volunteer workers. As always, the sites span the landscape from seaside to desert and span the millennia from the Chalcolithic period (c. 4500 B.C.) to Crusader times. Volunteers can choose from a variety of accommodations, ranging from tent camp to hotel, and from a variety of excavation dates, February through October. […]