Natural Resources
Conservation Service
ecological site group 046XESG04
Deep Rocky
Accessed: 09/11/2026
Ecological site group description
Key Characteristics
- Uplands
- <75% bedrock outcrop
- Surface SAR <8
- Gypsum <5% surface and <10% subsurface
- Subsurface EC <8 and surface EC <4
- EC <1.5 surface and <2 subsurface
- Slope <35% or <40% surface rock
- Depth >55cm
- Rock >30% surface or >30% subsurface
Provisional. A provisional ecological site description has undergone quality control and quality assurance review. It contains a working state and transition model and enough information to identify the ecological site.
Physiography
This ESG is located on alluvial fans, terraces, and mountain slopes.
Vegetation dynamics
The modal ecological site for this ESG is R046XC508MT Silty (Si) RRU 46-C 13-19 PZ.
Major Land Resource Area
MLRA 046X
Northern and Central Rocky Mountain Foothills
Subclasses
- F046XP909MT–Upland Cold Woodland Group
- F046XP910MT–Upland Cool Woodland Group
- F046XP911MT–Upland Warm Woodland Group
- R046XC504MT–Overflow (Ov) RRU 46-C 13-19 PZ
- R046XC507MT–Shallow to Gravel (SwGr) RRU 46-C 13-19 PZ
- R046XC508MT–Silty (Si) RRU 46-C 13-19 PZ
- R046XC510MT–Limy (Ly) RRU 46-C 13-19 PZ
- R046XC514MT–Gravelly (Gr) RRU 46-C 13-19 PZ
- R046XC516MT–Silty Steep (SiStp) RRU 46-C 13-19 PZ
- R046XC519MT–Limy Droughty (LyDr) RRU 46-C 13-19 PZ
- R046XC599MT–Thin Breaks (TB) RRU 46-C 13-19 PZ
- R046XH122WY–Loamy Wyoming Front
- R046XH124WY–Loamy Argillic Wyoming Front
- R046XN247MT–Clayey (Cy) RRU 46-N 13-19 PZ
- R046XN248MT–Overflow (Ov) RRU 46-N 13-19 PZ
- R046XN252MT–Silty (Si) RRU 46-N 13-19 PZ
- R046XN254MT–Limy (Ly) RRU 46-N 13-17 PZ
- R046XN255MT–Stony (St) RRU 46-N 13-19 PZ
- R046XN256MT–Subirrigated (Sb) RRU 46-N 13-19 PZ
- R046XN262MT–Wet Meadow (WM) RRU 46-N 15-19 PZ
- R046XN594MT–Silty Steep (SiStp) RRU 46-N 13-19 PZ
- R046XN601MT–Gravelly (Gr) RRU 46-N 13-19 PZ
- R046XP801MT–Bottomland Group
- R046XS104MT–Silty (Si) RRU 46-S 13-19 PZ
- R046XS105MT–Clayey (Cy) RRU 46-S 13-19 PZ
- R046XS106MT–Sandy (Sy) RRU 46-S 15-19 PZ
- R046XS108MT–Subirrigated (Sb) RRU 46-S 15-19 PZ
- R046XS113MT–Shallow to Gravel (SwGr) RRU 46-S 13-19 PZ
- R046XS142MT–Stony (St) RRU 46-S 13-19 PZ
- R046XS144MT–Limy (Ly) RRU 46-S 13-19 PZ
Correlated Map Unit Components
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Stage
Provisional
Contributors
Curtis Talbot
Travis Nauman
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