vti_encoding:SR|utf8 vti_extenderversion:SR|2.0.2.1112 vti_title:SW|Figure 4 vti_cacheddtm:TX|15 Mar 1997 23:11:06 -0500 vti_cachedtitle:SR|Figure 4 vti_cachedlinkinfo:VX|S|fig4.gif K|canada.htm vti_author:SR|jrw vti_modifiedby:SR|jrw vti_timecreated:TR|15 Mar 1997 15:30:43 -0500 vti_nexttolasttimemodified:TR|15 Mar 1997 16:47:32 -0500 vti_cachedbodystyle:SR| vti_timelastmodified:TR|15 Mar 1997 16:47:32 -0500