Image via WikipediaA lot of archaeologists in the Eastern part of the U.S. use the Harris Matrix, which is a stratigraphy system. Here is the website with more information and, you can download (FREE!) a copy of Dr. Harris's Principles of Archaeological Stratigraphy.
Image via WikipediaAn archaeology graduate student from Michigan State University is using GPS digital photo mapping software to study the positioning of tombs in Oman.
Image by wednesday181 via FlickrThis is from the Diagnostic Artifacts in Maryland website, and allows you to see the various metal ornaments that were used on leather horse equipment (but not furniture).