Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

United States. Department of Agriculture. [U. S. Department of Agriculture press release, Switzerland Advanced in Practice of Forestry]

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Gilder Lehrman Collection #: GLC00687.178.01 Author/Creator: United States. Department of Agriculture. Place Written: Washington, D.C. Type: Printed document Date: 1 December 1909 Pagination: 4 p. : envelope ; 26.7 x 20.3 cm. Order a Copy

Switzerland began practicing sound forestry techniques 600 years ago, not allowing timber output to exceed natural growth. Thick growth prevents avalanches and landslides, and good roads and intelligent management create national value in Swiss forests.

Powell, George May, 1835-1905

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