Start Over Date 1942

61. The Airplane Changes Our World Map (10:48)

Date:
1942
Main contributors:
ERPI Classroom Films, Inc.; Encyclopaedia Britannica
Summary:
Traces the history of mapmaking and representation of the globe on two-dimensional surfaces. Considers early problems of distortion in map projection, and reviews the projections of Mercator, Mollw...

62. The middle states (10:57)

Date:
1942
Main contributors:
Erpi Classroom Films, Inc.; Howard W. Odum
Summary:
Presents an overview of man's use of resources in the states of Minnesota, Iowa, Missouri, Illinois, Wisconsin, Michigan, Indiana, and Ohio. Domestic and European migration and population trends of...