Charts. Great Lakes, average times of closing of navigation at places on, with mean departure from average of yearly dates of commencement of ice-season, from report of Deep-Waterways Commission of 1896; chart 1684. Scale 1° lat.=3.4 in.
Publication Title:
Great Lakes, average times of closing of navigation at places on, with mean departure from average of yearly dates of commencement of ice-season, from report of Deep-Waterways Commission of 1896; chart 1684. Scale 1° lat.=3.4 in.
Display Title:
Charts. Great Lakes, average times of closing of navigation at places on, with mean departure from average of yearly dates of commencement of ice-season, from report of Deep-Waterways Commission of 1896; chart 1684. Scale 1° lat.=3.4 in.
Corporate Agency Authors:
Hydrographic Office, Navigation Bureau, and War Department