Report of Messrs. Maillefert and Raaslof, Civil Engineers, upon the Examination and Survey of the River St. Lawrence, from Prescott to the head of the Lachine Canal, and certain experimental blasting operations made during the summer of 1854.
Table of Contents

Title Page
Table of Contents
Maps Accompanying this Report
Copy of a Report of a Committee of the Honorable the Executive Council, dated 18th October, 1854, approved by His Excellency the Governor General, in Council, on the same day.
Instructions for J. B. Jarvis, Esquire, Civil Engineer, on the subject of a Canal between the River St. Lawrence and Lake Champlain.
STATEMENT shewing the Cost of a Survey for a Canal to connect the River St. Lawrence with Lake Champlain.
Report of Edward H. Tracy, Esquire, Civil Engineer.
Report of John B. Jarvis, Esquire, Civil Engineer.
Report of Messrs. Maillefert and Raaslof, Civil Engineers, upon the Examination and Survey of the River St. Lawrence, from Prescott to the head of the Lachine Canal, and certain experimental blasting operations made during the summer of 1854.
[Introduction]
1. Surveying Operations.
2. The Width and Depth of the Channel.
3. The Low Summer Water
4. The Experimental Blasting Operations.
5. The Estimates of Cost.
RECAPITULATION
[Maillefert & Raasloff to Begly, 9 Sep. 1853]
[Maillefert & Raasloff to Commissioners of Public Works, 26 Oct. 1853]
[Maillefert & Raasloff to Begly, 20 May 1854]
[Maillefert & Raasloff to Begly, 5 May 1854]
[Maillefert & Raasloff to Killaly, 5 Jun 1854]
[Maillefert & Raasloff to Begly, 6 Jun 1854]
[Maillefert & Raasloff to Begly, 14 Jun 1854]
[Raasloff to Killaly, 14 Jun 1854]
[Maillefert & Raasloff to Commissioners of Public Works, 4 Jun 1854]
[Maillefert & Raasloff to Commissioners of Public Works, 27 Jun 1854]
[Maillefert & Raasloff to Begly, 29 Jun 1854]
[Maillefert & Raasloff to Begly, 4 Aug 1854]
[Maillefert & Raasloff to Begly, 25 Aug 1854]
[List of Instruments from Public Works, 29 Aug 1854]
[Maillefert & Raasloff to Begly, 29 Aug 1854]
[Maillefert & Raasloff to Begly, 25 Aug 1854]
[Wulff, Elliott, Bell, Blenham to Begly, 25 Aug 1854]
[Maillefert & Raasloff to Begly, 2 Sep 1854]
[Maillefert & Raasloff to Begly, 66 Sep 1854]
[Maillefert & Raasloff to Begly, 6 Nov 1854]
[Maillefert & Raasloff to Begly, 30 Nov 1854]
[Begly to Maillefert & Raasloff, 30 Jun 1853]
[Begly to Maillefert & Raasloff, 5 Sep 1853]
[Begly to Maillefert & Raasloff, 29 Sep 1853]
[Killaly to Raasloff, 20 Jun 1854]
[Begly to Maillefert & Raasloff, 15 Sep 1854]
[Begly to Maillefert & Raasloff, 20 Nov 1854]
[Begly to Maillefert & Raasloff, 5 Dec 1854]
Tender for Improving the Rapids of the St. Lawrence.
No. 1. Estimate of the Cost of Surveying "Coteau," "Cascades," and "Lachine Rapids," &c.
[Articles of Agreement, Maillefert & Raasloff and Crown, 18 Oct 1853]
[Articles of Agreement, Maillefert & Raasloff and Crown, 9 Dec 1854]
SCHEDULE A. List of Boats and other material purchased by the undersigned Maillefert & Raaslof, for use in their Exploration of the Rapids of the River St. Lawrence.
[Articles of Agreement, Maillefert & Raasloff and Crown, 9 Sep 1854]
SCHEDULE A. List of Boats and other materials purchased by the undersigned, for use in their Exploration of the Rapids of the River St. Lawrence.
Table A.

[Maillefert & Raasloff to Begly, 20 May 1854]

QUEBEC, 20th May, 1854.

SIR,-Having found but very little of available material in the depots of the St. Lawrence Canals, the undersigned now respectfully beg to solicit to be furnished by the Department of Public Works, for use in their exploration of the Rapids of the St. Lawrence, the following quantities of anchors, chains and ropes, to wit:

2 anchors, each of 8 cwts.
2 " " 6 "
400 fathoms of 8 chain.
200 " 3/8 Manilla rope.

All of which material is of such size and dimensions as to become useful on the Canals, after having been used in the operations of the undersigned. The undersigned should wish to have the above material delivered to them at the foot of Beauharnois Canal, through Mr. Booth, the Superintendent of that Canal. They further respectfully beg to be furnished with the following surveying instruments and copies of Reports, for use in their operations

One 8 inch Metal Sextant.
Circumferentor or Surveyor's Compass.
Prismatic Compass.
2 feet Station Pointer.
Plain Meridian Compass, without graduation, in an oblong box, 5 1/2 inches by 8 inches.
One copy of Mr. Stewart's Map of the Rapids, reduced to a scale of 6 chains to 1 inch.
Document No. 12,196 kept per Thomas C. Keefer August 23, 1850.
15,858 1/2 Thomas Maxwell, February 7, 1852.
16,184 " " March 8, 1852.
16,244 Samuel Keefer, March 29, 1852.
19,427 Thomas C. Keefer, April 6, 1853.
19,814 Samuel Keefer, May 25, 1853.

The undersigned should wish to have these instruments and copies sent to them at Montreal. They have now very near completed their preparations for the exploration of the Rapids of the St. Lawrence, and expect to be able to commence operations as soon as they shall have been furnished with the above material and instruments.

We have the honor to remain,
Sir,
With sincere regards,
Your most obedient servants,
MAILLEFERT & RAASLOFF,
Per W. RAASLOFF.
Thomas A. Begly, Esquire,
Secretary, Department Public Works.

 


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