Major Highways (1)
| Interstate |
| Highway |
Major Highways (2)
| Interstate |
| Highway |
Frederick County Boundary (3)
Surrounding Counties (5)
| <all other values> |
| Maryland |
Major Roads (7)
| Interstate |
| US Highway |
| US Alternate |
| Business Route |
| Maryland |
Major Roads (8)
| Interstate |
| US Highway |
| US Alternate |
| Business Route |
| Maryland |
Major Roads (9)
| Interstate |
| US Highway |
| US Alternate |
| Business Route |
| Maryland |
Major Roads (10)
| Interstate |
| US Highway |
| US Alternate |
| Business Route |
| Maryland |
Major Roads (11)
| Interstate |
| US Highway |
| US Alternate |
| Business Route |
| Maryland |
MARC Rail Lines (12)
Place Names (14)
Place Names (15)
Place Names (16)
Place Names (17)
Fire Stations (19)
| Fire Stations |
Golf Courses (20)
Libraries (21)
MARC Rail Stations (22)
Police (23)
Post Office (24)
Schools (25)
| Elementary |
| High |
| Middle |
| Primary |
| Special |
Schools (26)
Roads (28)
Roads (29)
Labels (30)
Roads (31)
Labels (32)
Roads (33)
Labels (34)
Streams (36)
Streams (37)
Streams (38)
Building Footprints (39)
Parcels (40)
| Tax Parcels |
Fort Detrick (43)
Higher Education (44)
Frederick Memorial Hospital (45)
Airport Runway (46)
Frederick Municipal Airport (47)
Golf Courses (48)
Fort Detrick (50)
Higher Education (51)
Frederick Memorial Hospital (52)
Airport Runway (53)
Frederick Municipal Airport (54)
Golf Courses (55)
Rivers and Lakes (56)
County Parks and Recreation Centers (58)
| Developed Park |
| Future Rec Center |
| Park Under Development |
| Rec Center |
Federal State and Quasi-public Parks (59)
County Parks (60)
Municipal Parks (61)
Municipalities (63)
Municipalities (64)
Municipalities (65)
Frederick County Boundary (66)
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