Contents: Extracts from Reports of the Commissioners of the Land Office — The Government in its relation to
forest-s, by Prof. E. J. James— -Report on the forest conditions of the Rocky Mountains, by Col. Ed«;.ar T. Ensign —
Map showing the location of forest areas and princi|ial irrigation ditches in the Rocky Mountain region — Forest
flora of the Rocky MouutaiUK, by George li. Sudworth — Report on the forests of Los Angeles, San Bernardino, and
San Diego counties, Cal., by Abbott Kinney — Trees and shrubs of San Diego County, Cal. — The needs of the Yellow-
stone National Park, by Arnold Hague, geologist in charge — Summary of legislation for the preservation of timber
or forests on the public domain, by N. H. Egleston— The Mi mate 6f Colorado and its effects upon troes, by George H.
Parsons— Snow slides or avalanches, their formation an<l prevention, by B. £. Fernow.
No. 3. Preliminary Reiwrt on the Use of Metal Track on liailways as a Substitute for Wooden
Ties, by E. E. Kussell Tratman, C. E., to which is added a report of experiments in wood season-
ing by the Chicago, Burlington and Quincy Kailroad Company, and other notes. Compiled by
B. E. Fernow. Pp. 79, diagr. 0. 1889.
No. 4. Report on the Substitution of Metal for Wood in Railroad Ties, by E. E. Russell Trat-
man, C. E., together with a discussion on practicable economies in the use of wood for railway
purposes, by B. E. Fernow. Pp. 363, pis. 30. 1890.
^ No. 5. What is Forestry, by B. E. Fernow, Chief of Division of Forestry. Pp. 52. 1891.
