Portal:Hudson Valley/Did you know/24

... that South Beacon Mountain, the highest point in the Fishkill Creek (pictured) drainage basin, is located just above its estuary?
... that the Catskill Escarpment is the only clearly defined boundary of the Catskill Mountains?
... that it took the U.S. government seven years to design, then two additional years to build, the Hoosick Falls, New York, post office after it acquired the land?