National Geographic : 1960 Aug
EKTACHROME(ABOVE) BY THOMAS tive but happy vestige. Its cornerstone, now preserved in the Library of the University of Pennsylvania, bears the following inscription: THIS CORNER STONE OF THE HOUSE TO ACCOMMODATE THE PRESIDENT OF THE UNITED STATES, WAS LAID MAY 10TH 1792, WHEN PENNSYLVANIA WAS HAPPILY OUT OF DEBT; THOMAS MIFFLIN, THEN GOVERNOR OF THE STATE 160 Some of the old houses Howell and I wanted to explore stood beyond the city limits. What influenced the selection of their sites? Or, for that matter, why did William Penn put Philadelphia where he did? With good reason Penn laid out his neatly squared town near the confluence of the Schuylkill and Delaware Rivers.* These waterways were the main highways in an otherwise roadless wilderness. Men bold enough to settle outside Philadelphia built homes close to the rivers or their tributaries. * See "Today on the Delaware, Penn's Glorious River," by Albert W. Atwood, NATIONAL GEOGRAPHIC, July, 1952.