Hillman, Martin.
Bridging a continent. - London, Aldus, 1971. - 191 p.; illus. (some col.), facsims., maps (some col.), ports. (some col.) 27 cm. - Aldus encyclopedia of discovery and exploration .
0490002277
72877947 //r932
B71-11375
West (U.S.)--Discovery and exploration--Juvenile literature.
F592 / .H54 1971
978/.02
Bridging a continent. - London, Aldus, 1971. - 191 p.; illus. (some col.), facsims., maps (some col.), ports. (some col.) 27 cm. - Aldus encyclopedia of discovery and exploration .
0490002277
72877947 //r932
B71-11375
West (U.S.)--Discovery and exploration--Juvenile literature.
F592 / .H54 1971
978/.02