| Show ancient log strata Is found in south dakota piedmont S D L sevell million years ago a tropical jungle that covered this region sank and was overwhelmed liy by the sea today nien men biti picks and shovels unearth stone atone frag ments meats of those trees ralf half uncovered logs or other petrified petri lied tropical vegetation tation now gleams through the bish of a foiest foi est carpet thit that extend over an area or of nearly acres sandstone ani limestone formed for nuil atop tile forest foiest later alvel brought tills strata to the and as tin the sorter softer layers wore vore away the petrified fragments were revealed leve aled farmers and stoc stockmen kmen in the vichit ity had known of the stone lo 10 logs s pro pic iio through the lie debris but nut not until tills this summer was an hii attempt iliade to determine the extent of the forast foi cst in III their new form the old los logs s are aie tinted ill III new liew bright colors due to to iring voin oin pounds in the fibers of tin tile wood heu the llie lichens or waits 11 some borne of the lie trees were left discernible decayed Defa cd wood markings were retained in III tills this forest foiest although geologists clalla tills this Is unusual in petri fled woods woodi |
