Environmental Issues

Itinerario de Buenos Aires a Cordoba

José Sourryère de Souillac

Quo vadimus?: Some glimpses of the future

E. E. Fournier d'Albe

Études sur la flore du Sénégal

Joseph Vallot

Glaciers and Glaciation in Glacier National Park

James L. Dyson

Observations on the Mississippi Kite in Southwestern Kansas

Henry S. Fitch

Road Guide to Lassen Volcanic National Park

Paul E. Schulz

Cliff Dwellings of the Mesa Verde: A Study in Pictures

Don Watson

The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 09 (1820)

Various

De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren. uitgegeven door de Zuiderzee-Vereeniging

A. A. Beekman

Het Yellowstone-Park

Hugo de Vries

Draft of a Plan for Beginning Animal Sanctuaries in Labrador

William Wood

The farm and the woodlot

J. E. Barton

Mammals of the San Gabriel Mountains of California

Terry A. Vaughan

The Food Question: Health and Economy

Various

El Arroyo

Elisée Reclus

Sonne und Sterne

M. W. Meyer

The flow of time in the Connecticut valley: Geological Imprints

Bain, George W. (George William); Meyerhoff, Howard A.

The Game-Birds of the Coasts and Lakes of the Northern States of America A full account of the sporting along our sea-shores and inland waters, with a comparison of the merits of breech-loaders and muzzle-loaders

Robert Barnwell Roosevelt

The Chickamauga Dam and its environs

Robert Sparks Walker

Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona 11th Edition, Revised

Southwest Parks and Monuments Association; United States. National Park Service

Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments

E. S. McGee

Olympic National Park, Washington

Gunnar O. Fagerlund

Os Cataventos

Rocha Peixoto

Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone

Hall, E. Raymond (Eugene Raymond); Jackson, William B.