6 maps on one sheet. Components: Chart of Iliuliuk Harbor, Unalaska -- Sketch of Sannak Ids. And reefs, Alaska -- Sketch of Acherk Harbor, Sannak I. -- Sketch of Port Moller, north side, Alaska Peninsula, Bering Sea -- Sketch of St. Matthew and...
6 maps on one sheet. Relief shown by hachures; depths shown by soundings. "Aids to navigation corrected for information received to May 11, 1895." Components: Chart of Iliuliuk Harbor, Unalaska -- Sketch of St. Matthew and adjoining islands --...
Tracing of St. Paul and St. George Islands. Ms., mounted on paper. Relief shown by hachures; depths shown by soundings. Based on survey made by Russian Ingen. Capt. Archimandritof. Signed by George Davidson, 1867; also bears a note by Davidson:...
Relief shown by hachures and spot heights; depths shown by soundings. No. 22. "Astronomical & magnetic observations and topography by the party in charge of Assist. George Davidson in 1867. The soundings are from Russian Authorities." J. Bien,...
Relief shown by hachures and spot heights; depths shown by soundings. No. 22. "Astronomical & magnetic observations and topography by the party in charge of Assist. George Davidson in 1867. The soundings are from Russian Authorities." J. Bien,...
Relief shown by hachures and spot heights; depths shown by soundings. No. 712. "Astronomical & magnetic observations and topography by the party in the charge of Assist. George Davidson in 1867. The soundings are from Russian Authorities." ...
Ms. (blueprint copy). Depths shown by soundings. Oriented with north to the upper right. Inset: Uyak Bay : sketch showing relative position of Uyak Anchorage and Larsens Bay. Signed by George Davidson, with note: "From Captain Niebaum, Dec....
Relief shown by hachures and spot heights; depths shown by soundings. "Drawn by H. Lindenkohl." "Astronomical & magnetic observations and topography by the party in charge of Assist. George Davidson in 1867." "Reissued, with additions, Nov....