MARYLAND GEOLOGICAL SURVEY 489

TABLE XIII.
Summary of the magnetic declinations observed by Maryland Geological Survey in 1896.

[See page image for table]

¹ Reduced to mean of day (24 hours).

² The times given in this column are the local mean times when the observations were made.

³ Observations made in 1897 when reduced to 1900.0 give same value, 4° 46^/.

⁴ Artificial local disturbance at the 1896 station. The value of declination as given was corrected with
the aid of the 1897 observations on the Fair Grounds.

⁵ Observations made when establishing surveyor's meridian line in 1897, on the Court House lot, re-
duced to 1900.0 give 6° 02'. Sept. 17 was a day of large disturbance.

⁶ Artificial local disturbance suspected at this station.

⁷ A day of large disturbance.

⁸ The value given for 1900 has been obtained by making use also of the work of 1897.
⁹ This station in a greatly disturbed region. The observations for 1896 will be presented in connection
with the 1897 work.