Date: 08/13/2010

Number: 1

Centennial Park/noon/overcast/80degrees F./severe thunderstorms in previous 24 hrs. Fifteen Monarchs nectaring on swamp milkweed in field along Centennial Lake. This is the most I have seen at one time.

Columbia, MD

Latitude: 39.2 Longitude: -76.8

Observed by: Janet
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