| Quad Name | Ohiocode | County | Download |
|---|---|---|---|
| Oak Spring | 37116B1 | Nye | unclipped |
| Oak Spring Butte | 37116C1 | Nye | unclipped |
| Oasis Divide | 37117E7 | Esmeralda | unclipped |
| Ocala | 39118H6 | Churchill | unclipped |
| Odell Mountain | 41117H4 | Humboldt | unclipped |
| Odgers Ranch | 40115C1 | Elko | unclipped |
| Ola | 40114F2 | Elko | unclipped |
| Old Mans Canyon | 39114B2 | White Pine | unclipped |
| Olinghouse | 39119F4 | Washoe | unclipped |
| Oreana | 40118C3 | Pershing | unclipped |
| Oreana NW | 40118D4 | Pershing | unclipped |
| Oreana Peak | 38119G4 | Douglas,Lyon | unclipped |
| Oreana Spring | 37115H2 | Lincoln | unclipped |
| Oregon Canyon | 41116C7 | Elko | unclipped |
| Orovada | 41117E7 | Humboldt | unclipped |
| Osino | 40115H6 | Elko | unclipped |
| Outlaw Springs | 38117C6 | Esmeralda | unclipped |
| Outlaw Springs NE | 38117D5 | Esmeralda | unclipped |
| Outlaw Springs SE | 38117C5 | Esmeralda | unclipped |
| Overton | 36114E4 | Clark | unclipped |
| Overton Beach | 36114D3 | Clark | unclipped |
| Overton NE | 36114F3 | Clark | unclipped |
| Overton NW | 36114F4 | Clark | unclipped |
| Overton SE | 36114E3 | Clark | unclipped |
| Owyhee | 41116H1 | Elko | unclipped |
| Oxley Peak | 41114B8 | Elko | unclipped |
Alphabetical List of Nevada 24k DRGs