SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE 



VOL. 27, NO. 3. PL. 85 



VIRGINIA SHORE 



MARYLAND SHORE 



LOCATION OF HOUSE BOAT IN CENTER OF POTOMAC RIVER. JULY 14. 1903 



FROM SHEET NO. S, U. B. COAST AND GEODETIC SURVEY CHART OF POTOMAC RIVER, ISSUE OF 18S2 SCALE 1 1-1. INCH TO STATUTE MILE 



