Author:

Steidle, Edward 1887-  Search this

Physical description:

xv, 252 p. : ill., col. map on lining papers ; 24 cm

Type:

Books

Date:

1950

Notes:

Articles first published as Circulars 31, 33 and 35 of the Mineral Industries Experiment Station, Pennsylvania State College.

Contents:

Roots of human progress. -- A philosophy for conservation. -- Wanted: mineral industries colleges

Topic:

Mineral industries--Study and teaching  Search this

Natural resources  Search this

Conservation of natural resources  Search this

Call number:

TN165.S8X 1950

Data Source:

Smithsonian Libraries

EDAN-URL:

edanmdm:siris_sil_367864