ILC 1 expanded class js

      js    landforms 

j6r	surface water, water flow, rivers  [fluvial morphology]  « js
jU	regions of the contemporary Earth  « jsv1k
jU5  [js]	landform
js	landforms, physiographic features  [geomorphology, physical geography]
js5  [:]	with morphological element
js5d	pits
js5f	pools
js5h	channels
js5l	planes
js5p	passes
js5r	ridges
js5x	peaks
jsc	coasts, coastal systems  [coastal morphology]
jsc6l	fjords
jsm	mountains  [orography]
jsm16  [j1]	originated in period
jsm2  [jc]	located in land
jsm6c	volcanoes
jsm6i	dunes
jsmh	hills
jsq	glaciers, glacial systems  [glaciology]
jsq3  [:]	through glaciation
jsv	valleys, hydrographic basins
jsv5  [bp31]	in part
jsv5a	head of valley
jsv5c	high valley
jsv5p	medium valley
jsv5v	low valley
jsv5y	mouth, outlet
jsv6  [jsr]	of river
jsv7  [j]	flowing into
jsw	fresh water systems  [hydrology, hydrography]
jsw26  [jsm]	flowing from mountains
jsw27  [jsv]	flowing into, tributary of
jsw5  [:]	with element
jsw5b	embankments
jsw5c	terraces
jsw5m	meanders
jsw5w	deltas
jswl	lakes, still water, stagnant water
jswr	rivers, streams, watercourses, flowing water
jswr3f	flooding
jswt	waterfalls, rapids, cataracts, cascades
nye	estuaries  « jswr
nyjWm	freshwater ecosystems  « jsw
nykl	lakes  « jswl
nyl	streams, becks, bournes, brooks, burns, lotic ecosystems, rapidly-moving water  « jswr
xxol	alpinism, mountain climbing  « jsm

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind