Working together

Pat Groller, right, of Preston, Md., a volunteer with the Nature Conservancy, collects bees and bugs from traps she set up at Dorchester Pond for Sam Droege, left, a Researcher with the USGS, who uses the data to study the population and types of native bees that are in the wooded areas of the mid-Atlantic region.
Kenneth K. Lam, Baltimore Sun
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