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No. 23a, near Amsterdam, N. Y., transferred to a point on the same structure, which will not be disturbed.

No. 24, near Amsterdam, N. Y., transferred to the top of a nail in a maple stake driven beneath the surface of the ground in the canal bank.

No. 24a, near Amsterdam, N. Y., transferred to the top of a steel drill driven beneath the surface of the ground in the canal bank.

No. 39, near Herkimer, N. Y., transferred to the top of an iron rod driven beneath the surface of the ground in the canal bank.

No. 39a, transferred to the top of an iron rod driven flush with the ground in the canal bank.

No. 43, near Utica, N. Y., transferred to the head of an iron spike driven into the joint between two courses of the same structure.

No. 44, in Utica, N. Y., transferred to a corner of a window sill in the brick house facing the structure upon which the bench mark was placed.

No. 44a, transferred to the top of a projection of stone in the foundation of the brick house last mentioned.

Very respectfully, your obedient servant,

W. S. STANTON,

Major, Corps of Engineers, U. S. A.

Brig. Gen. JOHN M. WILSON,

Chief of Engineers, U. S. A.

DDD 3.

ANNUAL WATER LEVELS OF THE NORTHERN AND NORTHWESTERN LAKES.

Tridaily observations were made at Charlotte and Oswego, N. Y., on Lake Ontario; at Erie Harbor, Pennsylvania; Conneaut, Ashtabula, and Cleveland, Ohio, and Monroe, Mich., on Lake Erie; at Milwaukee, Wis., on Lake Michigan, from July 1, 1897, to June 30, 1898; and at Escanaba, Mich., on Green Bay, from July 1 to November 30, 1897, and from April 13 to June 30, 1898.

Daily observations were made at Sand Beach, Mich., on Lake Huron, and Sault Ste. Marie and Marquette, Mich., on Lake Superior, from July 1, 1897, to June 30, 1898.

The accompanying table is a continuation of that published in the Annual Report of the Chief of Engineers for 1897, Part VI, page 4127: Monthly mean of water levels for the several stations below the planes of reference adopted in 1876.

1897.

1898.

Stations.

July. Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May. June.

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Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet.
3.48 3.49 3.94 4.53 4.73 4.64 4.41 4.03 3.63 3.21 2.99
3.50 3.50 4.00 4.63 4.69 4.63 4.46 4.02 3.62 3.19 3.02
2.38 2.58 2.92 3.36 3.26 3.22 3.17 3.11 2.89 2.33 2.21
2.46 2.59 2.92 2.59 3.32 3.34 3.32 3.20 3.01 2.38 2.29
2.42 2.56 2.90 3.36 3.36 3.40 1.00 3.16 2.93 2.39 2.43
2.48 2.64 2.92 3.41 3.54 3.57 3.52 3.32 3.06 2.48 2.33
2.31 2.53 2.75 3.16 3.65 3.61 3.66 3.29 2.86 2.35 2.09
3.89 3.95 4.20 4.49 4.75 4.97 5.02 4.88 4.56 4.24 3.96
4.07 4. 16 4.34 4.62 4.98 (a) (a) (a) (a) b4.50 4.27
3.95 3.94 4.20 4.55 4.67 4.97 5.12 5.06 4.83 4.34 4.22
2.24 2.12 2.18 2.38 2.68 3.11 3.49 3.67 3.86 3.86 3.62
2.26 2.11 2.27 2.49 2.59 3.08 3.58 3.80 3.96 3.72 3.53

2.92

2.97

2.21

2.28

2.44

2.30

2.12

3.83

4.09.

4.06

3.14 3.12

a Bay frozen over.

b Mean of last 18 days of month.

WATER LEVEL OF LAKE ERIE.

REPORT OF COL. JARED A. SMITH, CORPS OF ENGINEERS, FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

UNITED STATES ENGINEER OFFICE,
Cleveland, Ohio, July 30, 1898.

GENERAL:. I have the honor to forward herewith record of water levels on Lake Erie for the fiscal year ending June 30, 1898.

The records were taken at the light-house, Monroe, Mich., and in the harbors at Cleveland, Ashtabula, Conneaut, Ohio, and Erie, Pa. Very respectfully, your obedient servant,

JARED A. SMITH,

Colonel, Corps af Engineers, U. S. A.

Brig. Gen. JOHN M. WILSON,

Chief of Engineers, U. S. A.

WATER-LEVEL OBSERVATIONS FOR LAKE ERIE FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

Monthly mean of water levels for Monroe, Cleveland, Ashtabula, Conneaut, and Erie harbors, expressed in feet, below the plane of reference adopted in 1876, that plane being the surface of high water of 1838, and 2.34 feet above the mean level, 1860 to 1875, inclusive.

Stations.

1897.

1898.

July. Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May. June.

Monroe, Mich

Cleveland, Ohio.
Ashtabula, Ohio
Conneaut, Ohio
Erie, Pa

Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Fect.
2.31 2.53 2.75 3.16 3.65 3.61 3.66 3.29 2.86 2.35 2.09
2.48 2.64 2.92 3.41 3.54 3.57 3.52 3.32 3.06 2.48 2.33
2.42 2.56 2.90 3.36 3.36 3.40 1.00 3.16 2.93 2.39 2.43
2.46 2.59 2.92 2.59 3.32 3.34 3.32 3.20 3.01 2.38 2.29
2.38 2.58 2.92 3.36 3.26 3.22 3.17 3.11 2.89 2.33 2.21

2.12

2.30

2.44

2.28 2.21

WATER LEVEL OF LAKE ONTARIO.

REPORT OF MAJ. WILLIAM S. STANTON, CORPS OF ENGINEERS, FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

UNITED STATES ENGINEER OFFICE,

Oswego, N. Y., July 14, 1898:

GENERAL: I have the honor to transmit herewith, in duplicate, the monthly means of the water levels of Lake Ontario at Charlotte and Oswego, reduced to the United States Lake Survey plane of references for Lake Ontario, in my charge July 1, 1897, to June 30, 1898, both inclusive.

Very respectfully, your obedient servant,

W. S. STANTON, Major, Corps of Engineers, U. S. A.

Brig. Gen. JOHN M. WILSON,

Chief of Engineers, U. S. A.

Monthly mean of water levels of Lake Ontario below the plane of reference in 1876, which is 4.98 feet above the zero of the guage at Oswego.

Stations.

Charlotte.
Oswego.

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July. Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May. June.

Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. 3.48 3.49 3.94 4.53 4.73 4.64 4.41 4.03 3.63 3.21 2.99 2.92 3.49 3.50 4.00 4.63 4.69 4.63 4.46 4.02 3.62 3.18 3.02 2.97

WATER LEVEL FOR LAKE SUPERIOR.

REPORT OF MAJ. CLINTON B. SEARS, CORPS OF ENGINEERS, FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

UNITED STATES ENGINEER OFFICE,

Duluth, Minn., July 2, 1898.

GENERAL: I have the honor to submit the following monthly means of Lake Superior water levels at Marquette, Mich., below plane of reference adopted by the United States Lake Survey in 1876, for the fiscal year ending June 30, 1898.

Very respectfully,

CLINTON B. SEARS, Major, Corps of Engineers, U. S. A.

Brig. Gen. JOHN M. WILSON,

Chief of Engineers, U. S. A.

Monthly mean of water levels for Lake Superior at Marquette, Mich., below the plane of reference adopted by the United States Lake Survey in 1876, for the fiscal year ending June 30, 1898.

Station.

1897.

1898.

July. Aug. Sept. Oct. Nov Dec. Jan. Feb. Mar. Apr. May. June.

Marquette, Mich..

Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. 2.24 2.12 2.18 2.38 2.68 3.11 3.49 3.67 3.86 3.86 3.62 3. 14

WATER LEVEL OF LAKE MICHIGAN.

REPORT OF CAPT. GEORGE A. ZINN, CORPS OF ENGINEERS, FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

UNITED STATES ENGINEER OFFICE, Milwaukee, Wis., July 5, 1898. GENERAL: I have the honor to transmit herewith diagram* showing water levels of Lake Michigan at Milwaukee, Wis., and Escanaba, Mich., for the fiscal year ending June 30, 1898, and table of monthly

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Monthly means of water levels for the stations given, below plane of reference of 1876.

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1898.

July. Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May. June.

Milwaukee, Wis
Escanaba, Mich

4.75

4.98

Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet.
3.89 3.95 4.20 4.49
4.07 4.16 4.34 4.62
4.97 5.02 4.88 4.56 4.24 3.96
(a) | (a) | (a) (a) b4.50 4.27

3.83

4.09

a Bay frozen over.

b Mean of last 18 days of month.

APPENDIX E E E.

EXPLORATIONS AND SURVEYS IN MILITARY DEPARTMENTS.

EEE 1.

EXPLORATIONS AND SURVEYS IN THE DEPARTMENT OF CALIFORNIA.

ANNUAL REPORT OF MAJ. J. D. MILEY, U. S. VOLUNTEERS, FIRST LIEUTENANT, SECOND ARTILLERY, FOR THE FISCAL YEAR ENDING JUNE 30, 1898.

ENGINEER OFFICE,

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HEADQUARTERS DEPARTMENT OF CALIFORNIA, ⚫
San Francisco, Cal., June 30, 1898.

SIR: I have the honor to submit the following report of operations in this office for the fiscal year ending June 30, 1898:

I have been acting engineer officer since rendering my last report on July 7, 1897.

C. Winstanley, clerk, has been continuously on duty in the office as topographer and draftsman.

Under the instructions of letter from Headquarters of the Army, Adjutant-General's Office, of April 7, 1897, I requested the detail of a competent officer to supplement the work of the topographical draftsman in preparation of the skeleton sheets for the progressive military map of the United States. These sheets were distributed to parties in the field, and completed maps were prepared from their field notes and sketches. Lieut. Frank A. Wilcox, First Infantry, reported to me for duty on December 1, 1897, and rendered most efficient service, until relieved from duty here and ordered to Fort Monroe, Va., by paragraph 9, Special Orders, No. 81, Headquarters of the Army, Adjutant-General's Office, dated Washington, April 7, 1898.

Sheets numbered 32, 33, 44, 46, 110, and 127 were finished and forwarded to the Adjutant-General of the Army on March 23, 1898, after which all work on this map was ordered abandoned.

Numerous parties of officers and men from the Third Artillery, the Fourth Cavalry, and the First Infantry were outfitted with instruments from this office, and did first-class work in the field, thus enabling me to have new sheets prepared.

The original skeleton sheets have, in all cases, been so much corrected that it would be impossible to alter the tracings in accordance with the letter of instructions of April 7, 1897, above referred to, and leave them sufficiently heavy, distinct, and definite to make clear and correct prints and to be capable of photographic transfer to celluloid plates. I have therefore had prepared entirely new tracings to fill the requirements above set forth.

Since the above-mentioned work has been abandoned, numerous maps of the Island of Cuba and also of the Philippine Islands have been mounted in the office.

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