11. The test pits gave archeologists an understanding of Shanga s development and patterns of occupation. 12. The team dug 420 test pits , and they uncovered several artifacts . . . ." 13. The soil from the test pits is sifted through 6 mm mesh to look for artifacts. 14. Test pits were dug in 1979 by the state to determine the extent of the site.15. In October 1996, another team dug a test pit at the site and recommended more excavation. 16. Archaeological test pits were excavated at the Ozette site in 1966 and 1967 by Richard Daugherty. 17. As of 2009 their team has studied Yo okop through mapping, ceramic analysis, and test pits . 18. His extensive tunnels and test pits , on his 200 acres, indicated ore containing 2 % copper. 19. Eventually they simply gave up, dumped their tools in one of their test pits , and headed south. 20. Test pits were only dug into the plow zone, so the possibility of even older artifacts exists.
