Forest physiography; physiography of the United States and principles of soils in relation to forestry . g. 214. — One of the timber jams composing the great Red River raft In buch a jam silt accumulatesvery rapidly and effectually fills the channel. (Veatch, U. S. Geo!. Surv.). Fig. 213. — Lakes of the Red River valley in Louisiana at their fullest recorded development. (Veatch, U. S. Geol. Surv.) p. S35 536 FOREST PHYSIOGRAPHY

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry