Horizon Information Portal

Browsing results matching Subsurface drainage -- Standards.

	Subject	Items
1.	Subsurface drainage -- Standards.	1
2.	Subsurface drip irrigation	0
3.	See Microirrigation	9
4.	Subsurface space	0
5.	See Underground areas	5
6.	Subterfuge	0
7.	See Deception	39
8.	Subterranean areas	0
9.	See Underground areas	5
10.	Subterranean civilization	0
11.	See Civilization, Subterranean	8
12.	Subterranean construction	0
13.	See Underground construction	7
14.	Subterranean economy	0
15.	See Informal sector (Economics)	7
16.	Subterranean voyages	0
17.	See Voyages to the otherworld	2
18.	See Civilization, Subterranean	8
19.	Subterranean water	0
20.	See Groundwater	3