soundings, but where
soundings (probably Yaquina Bay, Oregon), here.
(mostly obscured) chart, illustrating Appendix RR. Improvement of the Mouth of the Columbia River, Oregon and Washington Territory; of the entrances to Coos and Yaquina Bays; of mouth of Coquille River and of Umpqua River, Oregon; and of certain rivers emptying into Puget Sound and Gray's Harbor, Washington Territory; Water Gauges on Columbia River.
by Captain Charles F. Powell, Corps. of Engineers. pp 1971-2011.
in Annual Report of the Chief of Engineers, United States Army, to the Secretary of War, for the year 1886.
an uncertaintly principle *, of sorts.
25 December 2012
tags: densities, low; locus ignotum; soundings;