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- Description:
- One navigational chart entitled, "Chart of Detroit River" that was compiled and published as part of the Survey of the Northern and Northwestern Lakes (War Department, Corps of Engineers). It was "Projected from a Trigonometrical Survey executed under the orders of Major C. B. Comstock, Corps of Engineers." The chart is drawn at a scale of 1:40,000 and shows the Detroit River from Wind Mill Point at the lower end of Lake St. Clair down to Pointe Mouillée at the lower end of the river. Land areas are shaded in pale yellow. River/lake areas are shown in white and pale green. Distances are given in statute miles. Soundings for lake depths are given in feet. Lines of latitude and longitude are shown in black. Lighthouses and buoys are also noted. An inset chart on the lower right side provides additional details of the ship channel in the vicinity of Amherstberg and the mouth of the Detroit River.
- Date Issued:
- 1906-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Maritime
- Description:
- One navigational chart entitled, "Lake Superior Chart No. 3" that was compiled and published as part of the Survey of the Northern and Northwestern Lakes (War Department, Corps of Engineers). It was "Projected from a Trigonometrical Survey" that was executed under the orders of Lt. Col. W. F. Raynolds and Major C. B. Comstock of the Corps of Engineers as well as from local surveys done by Capt. J. N. Macomb, Capt. G. G. Meade, and Col. J. D. Graham of the Corps of Engineers. The chart is drawn at a scale of 1:400,000 and shows the western end of Lake Superior from Duluth, Minnesota, to the western end of Isle Royale. Land areas are shaded in various gray textures based upon existing land characteristics. Lake areas are shown in white. Distances are given in statute miles. Soundings for lake depths are given in fathoms. Lines of latitude and longitude are shown in black. Lighthouses are also shown along with notes for sailing directions, dangers and water level data. The chart was originally published in 1873, but a note indicates that aids to navigation have been corrected to January 1, 1880. An adhesive label in the upper left corner shows "Detroit, Mar. 5th, 1884, Presented to the Tug, Chas. E. Bird."
- Date Issued:
- 1880-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Maritime
- Description:
- One navigational chart entitled "St. Lawrence River, Detail Sheet No. 7." The title block near the lower right corner of the sheet indicates "Major C. B. Comstock, Corps of Engineers, U.S.A., in charge" and that the chart area was "Surveyed by F. M. Towar, A. T. Morrow, and C. Stephens." The chart was drawn at a scale of 1:10,000 and is printed in black ink on white paper. Survey information includes water depths in feet, depth contour lines, shoal and current notes, river bottom characteristics, shoreline details, towns, roads, property lines, north arrow, and survey triangulation points. The chart is dated 1871. A black ink stamp on the verso shows "U. S. Engineer Office, Detroit, Mich., Jun. 20, 1901."
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Maritime
- Description:
- One navigational chart entitled "St. Lawrence River, Detail Sheet No. 6, From Galop Rapids to Point Iroquois." The title block near the top of the sheet indicates "Major C. B. Comstock, Corps of Engineers, U.S.A., in charge" and that the chart area was "Surveyed under the direction of Lieut. W. R. Livermore, Corps of Engineers, U.S.A." The chart was drawn at a scale of 1:10,000 and is printed in black ink on white paper. Survey information includes water depths in feet, depth contour lines, shoal and current notes, river bottom characteristics, shoreline details, towns, roads, property lines, north arrow, and survey triangulation points. The chart is dated 1871.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Maritime
