My data are the distance at which they were seen from Kewewena portage, under the influence of great refraction, and the distance on the following day without unusual refraction, and I am convinced they cannot be less than 2000 feet high; if, however, this staggers you, say 1800, and I am confident you are _within_ the real elevation.
"Estimates of heights, breadths of rivers, &c., and, in looking over your journal, any other topographical facts which you may have to dispose of, will be very acceptable to me.

Will you be able to spare me (that is, to let me copy) any of your drawings?
You know, I believe, my views in asking are to embellish my map and memoir with landscape views in a light style.".