Title	คู่มือนักอนุรักษ์ดิน / Snun Rimvanich... [et al]
Imprint	Bangkok : Ministry of National Development/Land Development Department, 1967
Connect to	https://digiverse.chula.ac.th/Info/item/dc:107020
Descript	90 pages

Deals with method of studying soil conservation. Describes procedures for engineering surveys, covering measurement of horizontal distances; topographic surveys; and levels and leveling. contains study of the hydrology cycle prediction of runoff, contour cultivation, strip cropping, and terracing. presents method of design and construction for waterway, hillside ditch, and gully control. Includes illustrations of farm irrigation and types of farm ponds. [TAIC]

1. geology
2. geography
3. water resources
4. agriculture
5. climate
6. construction

LOCATION	CALL#	STATUS
Thailand and ASEAN Information Center (6th Floor)	[E-book] 13509	FREE ACCESS