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For nearly fifty years the hard-hitting, mobile Browning Automatic Rifle, or BAR, served in US infantry units as a light squad automatic "base of fire" weapon, providing quick bursts of concentrated fire. It was developed in response to the central dilemma of infantry combat in World War I - the need for a squad-level weapon that could suppress emplaced machine-gun positions. Designed by the renowned firearms manufacturer John M. Browning, the BAR could be fired from the shoulder or the hip while on the move. Unfortunately, initial production difficulties and commanders' reluctance to feed...

How do archaeologists work with the data they identify as a record of the cultural past? How are these data collected and construed as evidence? What is the impact on archaeological practice of new techniques of data recovery and analysis, especially those imported from the sciences?

To answer these questions, the authors identify close-to-the-ground principles of best practice based on an analysis of examples of evidential reasoning in archaeology that are widely regarded as successful, contested, or instructive failures. They look at how archaeologists put old evidence to work in...