https://scholarsarchive.byu.edu/facpub/1448/
"Pinuxylon woolardii sp. nov., a new petrified taxon of Pinaceae from t" by William D. Tidwell, Lee...
Specimens of the new species Pinuxylon wollardii have been collected from Miocene strata near Kurkee, OR. These petrified specimens are unique in that, due to...