I couldn't resist going back this morning before heading home.  
Best bird of the day:
Lincoln's Sparrow-1, near milepost 163.

Other highlights:
Wild turkey-1 seen, many heard gobbling!
Common Raven-several
Yellow-throated Warbler-1
Yellow-rumped Warbler-4
Yellow Warbler (Saturday)-1
No. Parula (Saturday)-1
Common Yellowthroat-several
Blue-Gray Gnatcatcher-many
Chipping Sparrow-2
Swamp Sparrow-many
Ea. Towhee
Ea. Bluebird

Good birding!

Janet Ardam
Gaithersburg
Gaithersburg