1.   Archaeologists now use modern techniques such as aerial photography.

2.   Similarly, archaeologists can use exports and imports of objects to extend chronological linkages by means of cross-dating.

3.   Still used by archaeologists, it went only part of the way towards providing a historical framework for archaeological evidence, however.

4.   Archaeologists use them to find Indian villages and other features that have long since disappeared.

5.   Sept agrees that archaeologists can use the West African excavation as a model in recognizing ancient sites where tools may not have been carefully sculpted.

6.   On the east side of the dig, two tents used by archaeologists stood empty Tuesday.

7.   The project also includes clearing the plateau of dilapidated storage buildings and rest houses used by archaeologists and preventing cars from coming too close to the ruins.