<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Langenberg, Willem</style></author><author><style face="normal" font="default" size="100%">Macdonald, Don</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sedimentologic and tectonic controls on coal quality of a thick coastal plain coal in the Foothills of Alberta, Canada</style></title></titles><dates><year><style  face="normal" font="default" size="100%">1992</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://books.google.ca/books?hl=en&amp;lr=&amp;id=6YxOXvZTOfMC&amp;oi=fnd&amp;pg=PA101&amp;dq=%22gregg+river%22+alberta&amp;ots=GQoU1kn2AW&amp;sig=qh7EoJUagYrf5d6hhRpFWr1fOaA#PPA101,M1</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Geological Survey of America</style></publisher><volume><style face="normal" font="default" size="100%">Special Paper 267</style></volume><language><style face="normal" font="default" size="100%">en</style></language><custom1><style face="normal" font="default" size="100%">Geology</style></custom1><custom2><style face="normal" font="default" size="100%">Gregg River</style></custom2><custom4><style face="normal" font="default" size="100%">Science</style></custom4></record></records></xml>