Geography of pennsylvania
Auteur :
Miller, E. Willard
ISBN :
9780271010175
Date de publication :
31 janv. 1995
Dimensions :
27,9 x 21,6 cm
Langue :
Anglais
Pays d'origine :
USA
Human activity in Pennsylvania has changed from those based on primary activity in the 18th century to the tertiary functions of the 20th century. This text describes and assesses the changes in geographical patterns that have accompanied such changes in economic structure.