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Survey Md. Drainage Coll. No. 8 Locality Pool under unused bridge near White's Ferry-above Leesburg County Montgomery Quadrangle Elevation Water stagnant Flow Width Vegetation ? Bottom mud Current Shore shrubby Distance from shore Temperature: Air Water Time ? Weather clear Depth of Capture Depth of Water Method of Capture net Date 7-29-50 Collected by Gibbs+Bowker Orig. preserv. Pot. cyanide Time General notes: [[underline]] Libellula luctuosa [[/underline]] - 4 [[underline]] Libellula pulchella [[/underline]] - seen