Earth science field trip, guide leaflet : Metropolis area : Massac, Pope and Johnson Counties : Paducah, Brownfield, Vienna and La Center Quadrangles.

"April 11, 1959."

Geological science field trip guide leaflet : Hamilton area, Hancock County : Keokuk, Carthage, Fort Madison, and Lomax Quadrangles.

Bibliography included in abstract.

Teaching adolescents in the church school; a plan-book for training leaders of youth, based on the project principle,

"General bibliography": p. 163-170.

Trained leaders /

Mode of access: Internet.