South Dakota Level 4 Ecoregions Map
| er17a - Black Hills Plateau |
| er17b - The Black Hills Plateau |
| er17c - Black Hills Core Highlands |
| er25a - Pine Ridge Escarpment |
| er42a - Missouri Coteau |
| er42c - Missouri Coteau Slope |
| er42e - Southern Missouri Coteau |
| er42f - Southern Missouri Coteau Slope |
| er42g - Ponca Plains |
| er42h - Southern River Breaks |
| er43a - Missouri Plateau |
| er43c - River Breaks |
| er43d - Forested Buttes |
| er43e - Sagebrush Steppe |
| er43f - Subhumid Pierre Shale Plains |
| er43g - Semiarid Pierre Shale Plains |
| er43h - White River Badlands |
| er43i - Keya Paha Tablelands |
| er43j - Moreau Prairie |
| er43k - Dense Clay Prairie | er43k - Sand Hills |
| er44d - Lakes Area | er44d - Glacial Lake Basins |
| er46d - Glacial Lake Deltas | er46d - Tewaukon/Big Stone Stagnation Moraine |
| er46i - Drift Plains | er46i - Prairie Coteau |
| er46l - Prairie Coteau Escarpment | er46l - Big Sioux Basin |
| er46n - James River Lowland | er46n - Minnesota River Prairie |
| er47a - Loess Prairies | er47a - Missouri Alluvial Plain |
| er47k - Northeastern Nebraska Loess Hills | er47k - Western Loess Hills |
| er48a - Glacial Lake Agassiz Basin | er48a - Beach Ridges and Sand Deltas |
Based on Ecoregions developed by the EPA this map describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist South Dakota gardenders.
