23.WhichofthefollowingistrueabouttheancientChacoanroadsystem?
a.Althoughoncethoughttobeanextensivenetworkofroads,aerialphotographyhasshowntheroadstobe
muchlessextensivethaninitiallybelieved.
b.Althoughoncethoughttobeanextensivenetworkofroads,aerialphotographyhasshownthattheywere
notroads,butwereinfactpartofavastcanalsystem.
c.Itwasanelaborateandextensivenetworkofroads,coveringmorethan250,000squarekilometerswithin
NewMexico,Arizona,Colorado,andUtah.
d.Wenowknowthattheywerebuiltstrictlyforeconomicpurposes,tomovegoodstomarketsinChaco
Canyon.
24.Whichofthefollowingisnotusedasnon-invasive,belowgroundarchaeologicalsurveytechniques?
a.Aerialphotography
b.Protonmagnetometer
c.Groundpenetratingradar
d.Excavation
25.YouaresurveyingintheNearEastforarchaeologicalsites,andcomeuponseveralartifactsonthegroundsurface.
Historicaldocumentssuggesttherewasonceatempleinthisarea.Youthinkyouhavefoundthesite.Becauseof
thesacrednatureofthesite,youdecidetoexcavatetheleastamountpossibleandthuswanttoknowwherethe
templeliesbeforegettingouttheshovels.Howmightyoumapthesitewithoutexcavatingit?
a.Usegroundpenetratingradartodetectthewalls.
b.Useaerialphotographytodetecttheoutline.
c.Userandomsamplingtoexcavateaseriesoftestpitsacrossthesite.
d.Usegroundpenetratingradaroraerialphotographydependingontheirpotentialutilityinthisspecificcase.