The readjustment of the Indian triangulation.
Bomford, G.
The readjustment of the Indian triangulation. - Dehra Dun Survey of India 1939 - viii109p. : ill.,maps ; 27cm. - Professional Paper 28 .
INDIA
LAND SURVEYING
The readjustment of the Indian triangulation. - Dehra Dun Survey of India 1939 - viii109p. : ill.,maps ; 27cm. - Professional Paper 28 .
INDIA
LAND SURVEYING