Legend (FN_MissouriHeadwaters/missouri_headwaters)

Project Boundary (1) Selected Catchment (2) Huc12s (3) Streams (shown by size / drainage area (km2)) (4) 0 - 25 (Headwater channels) 26 - 250 (Small streams) 251 - 1000 (Medium streams) > 1000 (Rivers) Major Land Resource Areas (MLRA) (6) Black Hills Black Hills Foot Slopes Nothern Rolling High Plains, Eastern Part Northern Rolling High Plains, Nothern Part Northern Rolling High Plains, Southern Part Pierre Shale Plains And Badlands Pierre Shale Plains, Northern Part Rolling Soft Shale Plain Ecoregion (Level 4 EPA) (7) Black Hills Core Highlands Black Hills Foothills Black Hills Plateau Dense Clay Prairie Forested Buttes Little Missouri Badlands Missouri Plateau Montana Central Grasslands Moreau Prairie Pine Scoria Hills Powder River Basin River Breaks Sagebrush Steppe Semiarid Pierre Shale Plains The Black Hills Plateau National Wetlands Inventory (NWI) (8) Riverine Lake Freshwater Pond Freshwater Forested/Shrub Wetland Freshwater Emergent Wetland Land Use Land Cover (NLCD) (9) Open Water Developed, Open Space Developed, Low Intensity Developed, Medium Intensity Developed, High Intensity Barren Land Deciduous Forest Evergreen Forest Mixed Forest Shrub/Scrub Grassland/Herbaceous Pasture/Hay Cultivated Crops Woody Wetlands Emergent Herbacous Wetlands Biophysical Setting Potential Vegetation (10) Western Great Plains Wooded Draw and Ravine Western Great Plains Sparsely Vegetated Systems Western Great Plains Sand Prairie Western Great Plains Floodplain Systems Western Great Plains Depressional Wetland Systems Open Water Northwestern Great Plains-Black Hills Ponderosa Pine Woodland and Savanna - Savanna Northwestern Great Plains-Black Hills Ponderosa Pine Woodland and Savanna - Low Elevation Woodland Northwestern Great Plains Shrubland Northwestern Great Plains Mixedgrass Prairie Northwestern Great Plains Highland White Spruce Woodland Inter-Mountain Basins Greasewood Flat Inter-Mountain Basins Big Sagebrush Steppe Central Mixedgrass Prairie Barren-Rock/Sand/Clay Soil Taxonomic Order (11) Inceptisols Mollisols Entisols Aridisols Alfisols Vertisols Slope (%) (12) High : 72 Low : 0 Active Riparian Area (13) 1 Total Drainage Area (Sq Km) (14) 0 - 25 26 - 250 251 - 1000 1001 - 20000 Mean Annual Flow (cfs) (15) 1-60 60-200 200-500 Runoff (16) 0 - 17 18 - 31 32 - 121 122 - 305 Range Potential (18) Low Med High Highest Percent Grass (20) 0 - 75 76 - 93 94 - 99 100 Mean Rangeland Productivity (21) Percent Mesic, Dry Years (22) 0 1 - 5 6 - 18 19 - 100 Mean Grassland Greenness, Dry Years (23) 0.0 - 15 16 - 25 26 - 35 36 - 70 Mean Grassland Greenness, Wet Years (24) 0 - 15 16 - 25 26 - 35 36 - 70 Mean NDVI Variance (25) 0 - 22 23 - 28 29 - 35 36 - 65 Mean Rangeland Productivity (27) High Low Soil Available Water Storage (150 cm weighted average) (28) High : 31 Low : 0 Persistence of Mesic Resources (29) 0 1 2 3 4 5 6 7 8 9 10 11 12 Areas With Potential For Mesic Enhancement (30) 0 - 5 6 - 9 10 - 12 Change From Mesic to Non-Mesic (31) Mesic except in dry years Departure From Ecoregional Mean NDVI (32) High : 58 Low : -52 Hydrologic Intactness (34) Low Med High Highest Erosion Vulnerability (35) Low Med High Highest Soil Vulnerability (36) Low Med High Highest Current Stress Score (37) Lowest Low Moderate Highest Future Risk Score (38) Lowest Low Moderate High Percent Grass (41) 0 - 75 76 - 93 94 - 99 100 Percent Perennial (42) 0 - 36 37 - 64 65 - 87 88 - 100 Storage (43) 0 - 2 3 - 4 5 - 11 12 - 100 Non-Riparian Wetlands (44) 0 1 2 - 3 4 - 100 Network Disturbance (45) 0 - 10 11 - 30 31 - 57 58 - 100 Slope Mean (47) 0 - 1 1 - 2 2 - 4 4 - 21 Slope > 7% (48) 0 - 1 2 - 5 6 - 16 17 - 95 Soil Erodibility x Slope (49) 0 1 2 3 - 14 Severe Erosion Hazard (50) 0 - 4 5 - 21 22 - 47 48 - 100 Percent Barren (52) 0 - 3 4 - 12 13 - 26 27 - 48 49 - 100 Percent Poorly Drained Soils (53) 0 - 5 6 - 20 21 - 55 56 - 100 Percent Aridisol (54) 0 - 9 10 - 29 30 - 56 57 - 100 Slope (56) High : 71.6865 Low : 0 Soil Erodibility (57) High : 0.54 Low : 0 Soil Erosion Hazard (58) Moderate Slight Severe Not rated Farmland Class (59) Not prime farmland Farmland of statewide importance Prime farmland if irrigated All areas are prime farmland Farmland of local importance Farmland of statewide importance if warm enough - Soil Drainage Class (60) Well drained Very poorly drained Somewhat poorly drained Somewhat excessively drained Poorly drained Moderately well drained Excessively drained Blank Cumulative Anthropogenic Stress Index (CASI) (63) 23 - 43 44 - 49 50 - 54 55 - 69 Percent Cropland (64) 0 - 7 8 - 23 24 - 44 45 - 69 70 - 100 Percent Restorable Wetlands in Ag (65) 0 - 10 11 - 25 26 - 50 >50 Percent Developed (66) 0 1 - 2 3 - 4 5 - 100 Nitrogen Input Density (kg/yr/km2) (67) 0.000 - 415.6 415.7 - 897.1 897.2 - 1761 1762 - 3165 3166 - 18690 Phosphorus Input Density (kg/yr/km2) (68) 0 - 119 120 - 223 224 - 371 372 - 592 593 - 2487 Water Well Density (69) 0 - 4 5 - 19 20 - 49 50 - 89 Oil and Gas Infrastructure (70) 0 1 2 3 - 4 5 - 20 Ag Conversion Risk (72) Lowest Moderate High Highest Wind Potential (73) 0 - 14 15 - 31 32 - 42 43 - 52 53 - 80 Oil and Gas Potential (74) 0 1 - 12 13 - 33 34 - 100 Riparian Intactness (76) Highest High Med Low Riparian Resilience (77) Highest High Med Low Riparian Erosion Vulnerability (78) Highest High Med Low Riparian Drought Vulnerability (79) Highest High Med Low Percent Perennial (81) 0 - 81 82 - 98 99 100 Percent Intact Grassland (82) 0 - 67 68 - 93 94 - 99 100 Percent Grassland (83) 0 - 79 80 - 96 97 - 99 100 Percent Wetland (84) 0 - 5 6 - 9 10 - 22 23 - 100 Percent Woodland (85) 0 - 10 11 - 32 33 - 65 66 - 100 Active River Area (ARA) Erodibility Index (86) Lowest Moderate High Highest Riparian Woodlands (88) - Trees present Stream Power Index (89) Lowest Moderate High Highest Riparian Areas With Potential for Mesic Enhancement (90) 0 - 5 6 - 9 10 - 12 ARA Potential Wet Areas (91) Some wetland potential Moderate wetland potential High wetland potential Riparian Valley Bottom (92) 1 Active Riparian Area (93) 1 Grassland Birds Importance (95) Lowest Moderate High Highest Grassland Birds Focal Species Richness (96) Lowest Moderate High Highest Sage Grouse Habitat Importance (97) Moderate High Highest Plant Species of Greatest Conservation Need (SGCN) (98) >0 - 2 3 - 6 7 - 15 Animal SGCN (99) >0 - 2 3 - 10 11 - 19 Aquatic SGCN (100) 1 2 Overlapping Conservation Priority Areas (101) 0 1 2 3 4 Great Plains Fish Habitat Partnership Protection Opportunity (102) 1 Stock Water Features (104) Reservoir Dugout Wells, windmills, tanks Breached reservoirs Other Public and NGO land (106) BLM BIA USFS NGO STATE TRIBAL NRCS BUREC USACE USFWS Percent public ownership by catchment (107) 0 1 - 10 11 - 25 26 - 60 61 - 100 Coordinated planning: mixed public ownership (109) Improve riparian mesic habitat (110) Address riparian erosion vulnerability (111) Intact grassland with high grassland bird value (112) Intact grassland with good aquatic habitat potential (113) Seek improved understanding of rangeland condition (114) Stream Power Index (116) Lowest Moderate High Highest Areas That Are Mesic Except In Dry Years (117) 0 1 ARA potential Wet Areas (118) Some wetland potential Moderate wetland potential High wetland potential Departure From Ecoregional Mean NDVI (119) High : 58 Low : -52