[the bottle let me down]

I've always found it to be clear that national parks do not allow firearms.

Maybe so, but the GW Parkway is one of the major commuter routes in the DC area. Most people don't realize that it's part of the National Park System until they get a speeding ticket and realize that they have to go to federal court.

[novacation]

You're are right about it being out of line for some yahoo ranger to push it it that instance.

[patton]

The bit of the parkway on Columbia Island is actually in DC - so, for that stretch of the parkway, one might be commiting a felony...