Helicopters at work
By: by Mary Elting and Judith Steigler. Illustrated by Ursula Koering.
Contributors: Steigler, Judith, joint author.; Koering, Ursula, illus.
Series: Her At work series
Publisher: Harvey House
Published: 1972
Place of publication: Irvington, N.Y
Language: eng
Number of pages: 95
Subjects: Helicopters -- Juvenile literature.; Helicopters.
Description: Examines the varied uses of helicopters for scientific research, fire fighting, pest control, rescue operations, drilling and pipelining, sight-seeing, and others.