| C and O Canal Towpath (East) |
| C and O Canal Towpath (West) |
| Appalachian Trail (MD) |
| Appalachian Trail (WV) |
| Bolivar Heights Trail |
| Loudoun Heights Blue Trail |
| Loudoun Heights Orange Trail |
| Maryland Heights - Overlook Cliff Trail |
| Maryland Heights - Stone Fort Trail |
| Maryland Heights Trail |
| Murphy-Chambers Farm Trail |
| School House Ridge North Trail |
| School House Ridge South Trail |
| Virginius Island (Hall's Island) Trail |
| Virginius Island Trail |
| Virginius Island Trail (side trail) |
| Natural Non-Vegetated|Freshwater|Open Water |
| Natural Vegetation|Forest and Woodland|Acidic Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Basic Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Basic Woodland |
| Natural Vegetation|Forest and Woodland|Chestnut Oak Forest |
| Natural Vegetation|Forest and Woodland|Chestnut Oak - Virginia Pine Woodland |
| Natural Vegetation|Forest and Woodland|Dry Chestnut Oak - Northern Red Oak / Heath Forest |
| Natural Vegetation|Forest and Woodland|Dry-Mesic Chestnut Oak - Northern Red Oak Forest |
| Natural Vegetation|Forest and Woodland|Eastern Hemlock - Hardwood Forest |
| Natural Vegetation|Forest and Woodland|Limestone Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Maple - Ash Swamp Forest |
| Natural Vegetation|Forest and Woodland|Rich Boulderfield Forest |
| Natural Vegetation|Forest and Woodland|Rich Cove / Mesic Slope Forest |
| Natural Vegetation|Forest and Woodland|Rich Cove Forest |
| Natural Vegetation|Forest and Woodland|Rich Floodplain Forest |
| Natural Vegetation|Forest and Woodland|Riverscour Woodland Complex |
| Natural Vegetation|Forest and Woodland|Silver Maple Floodplain Forest |
| Natural Vegetation|Forest and Woodland|Sweet Birch - Chestnut Oak Talus Woodland |
| Natural Vegetation|Open Rock Vegetation|Acidic Boulderfield |
| Natural Vegetation|Open Rock Vegetation|Subcalcareous Cliff and Rock Outcrop |
| Natural Vegetation|Shrubland and Grassland|Herbaceous Depositional Bar Complex |
| Natural Vegetation|Shrubland and Grassland|Red-cedar Limestone Glade |
| Natural Vegetation|Shrubland and Grassland|Riverside Rock Outcrop and Prairie Complex |
| Not-So-Natural Vegetation|Developed Vegetation|Cultivated Crops |
| Not-So-Natural Vegetation|Developed Vegetation|Developed, Open Space |
| Not-So-Natural Vegetation|Developed Vegetation|Forested Open Space |
| Not-So-Natural Vegetation|Developed Vegetation|Pasture/Hay |
| Roads and Developed Areas|Developed|Barren Land |
| Roads and Developed Areas|Developed|Developed, High Intensity |
| Roads and Developed Areas|Developed|Developed, Low Intensity |
| Semi-Natural Vegetation|Forest and Woodland|Successional Black Walnut Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Box-elder Floodplain Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Mixed Deciduous Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Red-cedar Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Tuliptree Forest (Rich Type) |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Herbaceous Wetland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Meadow / Grassland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Vine-Shrubland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Woody Wetland |
| Natural Non-Vegetated|Acidic Cliff and Talus (North-Central Appalachian) |
| Natural Non-Vegetated|Alkaline Glade and Woodland (Central Appalachian) |
| Natural Non-Vegetated|Circumneutral Cliff and Talus (North-Central Appalachian) |
| Natural Non-Vegetated|Mafic Glade and Barrens (Southern and Central Appalachian) |
| Natural Non-Vegetated|Open Water |
| Natural Vegetation|(Hemlock)-Northern Hardwood Forest (Appalachian) |
| Natural Vegetation|Cove Forest (Southern and Central Appalachian) |
| Natural Vegetation|Dry Oak-Pine Forest (Central Appalachian) |
| Natural Vegetation|Dry-Mesic Oak Forest (Northeastern Interior) |
| Natural Vegetation|Pine-Oak Rocky Woodland (Central Appalachian) |
| Natural Vegetation|River Floodplain (Central Appalachian) |
| Roads and Developed Areas|Barren Land |
| Roads and Developed Areas|Developed, High Intensity |
| Roads and Developed Areas|Developed, Low Intensity |
| Semi- and Not-So-Natural Vegetation|Cultivated Crops |
| Semi- and Not-So-Natural Vegetation|Developed, Open Space |
| Semi- and Not-So-Natural Vegetation|Emergent Herbaceous Wetlands |
| Semi- and Not-So-Natural Vegetation|Evergreen Forest |
| Semi- and Not-So-Natural Vegetation|Grassland/Herbaceous |
| Semi- and Not-So-Natural Vegetation|Pasture/Hay |
| Semi- and Not-So-Natural Vegetation|Shrub/Scrub |
| Semi- and Not-So-Natural Vegetation|Successional Mixed Deciduous Forest |
| Semi- and Not-So-Natural Vegetation|Woody Wetlands |
| Airmont cobbly loam |
| Airmont very cobbly loam |
| Bagtown cobbly loam |
| Bagtown very flaggy sandy loam |
| Bagtown-Stumptown-Rock outcrop complex |
| Bigpool silt loam |
| Brumbaugh cobbly silt loam |
| Carbo-Rock outcrop complex |
| Cardiff channery silt loam |
| Cardova channery silt loam |
| Catoctin channery silt loam |
| Combs fine sandy loam |
| Combs silt loam |
| Dekalb channery loam |
| Dekalb-Bagtown-Rock outcrop complex |
| Duffield-Ryder complex |
| Edgemont gravelly loam |
| Fairplay (marl) silt loam |
| Flairmont very flaggy loam |
| Funkstown silt loam |
| Hagerstown-Opequon-Rock outcrop complex |
| Hazel channery silt loam |
| Hazel-Rock outcrop complex |
| Holly loam |
| Lindside silt loam |
| Middleburg silt loam |
| Mongle silt loam |
| Oaklet silt loam |
| Oaklet silty clay loam |
| Oaklet-Rock outcrop complex |
| Poplimento silt loam |
| Purcellville and Tankerville soils |
| Ravenrock-Highfield-Rock outcrop complex |
| Ryder-Poplimento complex |
| Stumptown very flaggy loam |
| Stumptown-Rock outcrop complex |
| Sylvatus channery silt loam |
| Sylvatus-Rock outcrop complex |
| Talladega channery silt loam |
| Tankerville and Purcellville soils |
| Thurmont gravelly loam |
| Trego very flaggy loam |
| Urban land-Udorthents |
| Water |
| Weverton very flaggy loam |
| Weverton very flaggy silt loam |
| Weverton-Rock outcrop complex |
| Whiteford channery silt loam |
| Jd - Diabase dike |
| Cwak - Waynesboro Formation, Cavetown Member |
| Cwar - Waynesboro Formation, Red Run Member |
| Ctd - Tomstown Formation, Dargan Member |
| Ctb - Tomstown Formation, Bebevola Member |
| Ctbh - Tomstown Formation, Bolivar heights Member |
| Ca - Antietam Formation |
| Ch - Harpers Formation |
| Chq - Harpers Formation, quartzite |
| Cw - Weverton Formation |
| Clc - Loudoun Formation, conglomerate |
| CZlp - Loudoun Formation, phyllite |
| Zc - Catoctin Formation, metabasalt |
| Zct - Catoctin Formation, phyllite |
| Zcm - Catoctin Formation, metabasalt |
| Zmd - Metadiabase dike |
| Zsm - Swift Rin Formation, marble |
| Zsp - Swift Run Formation, phyllite |
| Ygt - Garnetiferous leucocratic metagranite |
| Natural Non-Vegetated|Freshwater|Open Water |
| Natural Vegetation|Forest and Woodland|Acidic Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Basic Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Basic Woodland |
| Natural Vegetation|Forest and Woodland|Chestnut Oak Forest |
| Natural Vegetation|Forest and Woodland|Chestnut Oak - Virginia Pine Woodland |
| Natural Vegetation|Forest and Woodland|Dry Chestnut Oak - Northern Red Oak / Heath Forest |
| Natural Vegetation|Forest and Woodland|Dry-Mesic Chestnut Oak - Northern Red Oak Forest |
| Natural Vegetation|Forest and Woodland|Eastern Hemlock - Hardwood Forest |
| Natural Vegetation|Forest and Woodland|Limestone Oak - Hickory Forest |
| Natural Vegetation|Forest and Woodland|Maple - Ash Swamp Forest |
| Natural Vegetation|Forest and Woodland|Rich Boulderfield Forest |
| Natural Vegetation|Forest and Woodland|Rich Cove / Mesic Slope Forest |
| Natural Vegetation|Forest and Woodland|Rich Cove Forest |
| Natural Vegetation|Forest and Woodland|Rich Floodplain Forest |
| Natural Vegetation|Forest and Woodland|Riverscour Woodland Complex |
| Natural Vegetation|Forest and Woodland|Silver Maple Floodplain Forest |
| Natural Vegetation|Forest and Woodland|Sweet Birch - Chestnut Oak Talus Woodland |
| Natural Vegetation|Open Rock Vegetation|Acidic Boulderfield |
| Natural Vegetation|Open Rock Vegetation|Subcalcareous Cliff and Rock Outcrop |
| Natural Vegetation|Shrubland and Grassland|Herbaceous Depositional Bar Complex |
| Natural Vegetation|Shrubland and Grassland|Red-cedar Limestone Glade |
| Natural Vegetation|Shrubland and Grassland|Riverside Rock Outcrop and Prairie Complex |
| Not-So-Natural Vegetation|Developed Vegetation|Cultivated Crops |
| Not-So-Natural Vegetation|Developed Vegetation|Developed, Open Space |
| Not-So-Natural Vegetation|Developed Vegetation|Forested Open Space |
| Not-So-Natural Vegetation|Developed Vegetation|Pasture/Hay |
| Roads and Developed Areas|Developed|Barren Land |
| Roads and Developed Areas|Developed|Developed, High Intensity |
| Roads and Developed Areas|Developed|Developed, Low Intensity |
| Semi-Natural Vegetation|Forest and Woodland|Successional Black Walnut Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Box-elder Floodplain Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Mixed Deciduous Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Red-cedar Forest |
| Semi-Natural Vegetation|Forest and Woodland|Successional Tuliptree Forest (Rich Type) |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Herbaceous Wetland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Meadow / Grassland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Vine-Shrubland |
| Semi-Natural Vegetation|Shrubland and Grassland|Successional Woody Wetland |
| Natural Non-Vegetated|Acidic Cliff and Talus (North-Central Appalachian) |
| Natural Non-Vegetated|Alkaline Glade and Woodland (Central Appalachian) |
| Natural Non-Vegetated|Circumneutral Cliff and Talus (North-Central Appalachian) |
| Natural Non-Vegetated|Mafic Glade and Barrens (Southern and Central Appalachian) |
| Natural Non-Vegetated|Open Water |
| Natural Vegetation|(Hemlock)-Northern Hardwood Forest (Appalachian) |
| Natural Vegetation|Cove Forest (Southern and Central Appalachian) |
| Natural Vegetation|Dry Oak-Pine Forest (Central Appalachian) |
| Natural Vegetation|Dry-Mesic Oak Forest (Northeastern Interior) |
| Natural Vegetation|Pine-Oak Rocky Woodland (Central Appalachian) |
| Natural Vegetation|River Floodplain (Central Appalachian) |
| Roads and Developed Areas|Barren Land |
| Roads and Developed Areas|Developed, High Intensity |
| Roads and Developed Areas|Developed, Low Intensity |
| Semi- and Not-So-Natural Vegetation|Cultivated Crops |
| Semi- and Not-So-Natural Vegetation|Developed, Open Space |
| Semi- and Not-So-Natural Vegetation|Emergent Herbaceous Wetlands |
| Semi- and Not-So-Natural Vegetation|Evergreen Forest |
| Semi- and Not-So-Natural Vegetation|Grassland/Herbaceous |
| Semi- and Not-So-Natural Vegetation|Pasture/Hay |
| Semi- and Not-So-Natural Vegetation|Shrub/Scrub |
| Semi- and Not-So-Natural Vegetation|Successional Mixed Deciduous Forest |
| Semi- and Not-So-Natural Vegetation|Woody Wetlands |