1.3' is quite minimal but adequate. The upper limit of 2.8' I cannot verify. At 1.74 I still would be interested in seeing more. Starting at Armstrong Bridge eliminates the portage at Hienz Camp's low head dam, the state removed a broken dam and the low head dam at Camp Allegheny. While that leaves a removeable dam that may require an easy portage I expect it will not be up. The take out will have us exit the Slippery Rock and take us down the Connoquenessing about 1/4 mile[all class l]. Take Out is between a baseball field and Ellports waste water treatment plant.
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