Supplemental material: Journey into anthracite
bookposted on 01.01.2006 by A.R. Frantz, et al.
Books are generally long-form documents, a specialist work of writing that contains multiple chapters or a detailed written study.
GSA Data Repository Item 2006192, Field Guides, Vol. 8, p. 239. . File size: 5 p., about 360 K bytes.