@article {38491,
	title = {Sedimentologic and tectonic controls on coal quality of a thick coastal plain coal in the Foothills of Alberta, Canada},
	volume = {Special Paper 267},
	year = {1992},
	institution = {Geological Survey of America},
	url = {http://books.google.ca/books?hl=en\&lr=\&id=6YxOXvZTOfMC\&oi=fnd\&pg=PA101\&dq=\%22gregg+river\%22+alberta\&ots=GQoU1kn2AW\&sig=qh7EoJUagYrf5d6hhRpFWr1fOaA$\#$PPA101,M1},
	author = {Langenberg, Willem and Macdonald, Don}
}
