Environmental Issues

The Geologic Story of Glacier National Park

James L. Dyson

Remarks on the management, or rather, the mis-management of woods, plantations, and hedge-row timber

J. West

A Letter to the Parishioners of Fulham

R. G. Baker

Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4.

Alexander von Humboldt

Mammals of the Grand Mesa, Colorado

Sydney Anderson

The National Geographic Magazine, Vol. I., No. 4, October, 1889

Various

Street Trees

Furman Lloyd Mulford

The Great Thames Barrage

Thomas Walter Barber

For the Birds

U.S. Fish and Wildlife Service

Freak trees of the State of New York

Gurth Adelbert Whipple

Montezuma Castle National Monument, Arizona (1959)

United States. National Park Service

Birds Illustrated by Color Photography, Vol. 3, No. 4.

Various

Renlighet och frisk luft

Hjalmar Öhrvall

Lectures on Ventilation Being a Course Delivered in the Franklin Institute of Philadelphia

Lewis W. Leeds

The Mentor: Game Birds of America, Vol. 1, Num. 34, Serial No. 34

Edward Howe Forbush

Shenandoah National Park, Virginia

United States. National Park Service

Preserving Louisiana's Legacy: Everyone Can Help

Nancy W. Hawkins

The Mammals of Warren Woods, Berrien County, Michigan Occasional Paper of the Museum of Zoology, Number 86

Lee R. Dice

Volcanoes of the United States

Steven R. Brantley

Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique avec leur description, moeurs et organisation

René Martin

Natural History of the Salamander, Aneides hardii

Johnston, Richard F.; Schad, G. A.

Birds and Nature, Vol. 08, No. 5, December 1900 Illustrated by Color Photography

Various

Dominica De Aarde en haar Volken, 1904

H. van Kol

De drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely

J. Ulehake