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MARYLAND GEOLOGICAL SURVEY
437
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Date.
1896.
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Station.
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Elements
observed.
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Remarks.
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Oct. 23
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28
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Washington,
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TS
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Exchanged chronometer (Bond 295)
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for Dent 2256.
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29
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"
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TS
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29-31
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9
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Linden,
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Constants determined.
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Nov. 4-5
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32
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Baltimore,
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H, I
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No D observations on account of rain.
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6
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25
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Belcamp,
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D, H, I
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The purpose of these observations
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6
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2
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Harford Furnace
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I
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was to make a preliminary ex-
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6
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2
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Creswell,
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I
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amination of the local disturb-
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6
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2
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Fountain Green,
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I
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ances in the neighborhood of
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7
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2
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Bel Air,
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I
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Bel Air; weather fair.
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7
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13
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Cardiff,
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D, I, H
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While waiting for train ; weather
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good.
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7
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9
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Forest Hill,
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D, I, H
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Weather fair, wind moderate.
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9
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60
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Washington,
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TS
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At C. & G. S. office.
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13
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16
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Stabler,
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I
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No D nor H observations on account
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of fierce snow storm.
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14
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11
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Unity,
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D, I, H,
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Weather good, wind moderate.
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14
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9
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Damascus,
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D, I, H,
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" "
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19
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29
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Washington,
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TS
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At C. & G. S. office.
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24
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9
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Linden,
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D, I, H
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Examined evidences of local dis-
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25-27
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1
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Forest Glen,
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D, I, H
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turbances about Linden.
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Dec. 1
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9
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Washington,
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TS, I
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Compared dip circle with the new
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ones recently obtained by C. &
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G. S.
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3
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"
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TS
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En route to Salisbury, saw brilliant
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aurora ; magnetic disturbance next
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day.
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4-5
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86
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Salisbury,
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D, I, H
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Meridian line established here.
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7
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32
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Crisfield,
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D, I, H
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Extreme southerly station in Md. ;
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weather good, light wind.
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9
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90
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Washington,
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TS
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Moment of inertia of long magnet re-
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determined.
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General Summary of magnetic work in 1896.
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Number of different stations at which declination was observed..............
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38
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" " " " " " inclination " " .............
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46
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" " " " " " horizontal component was observed ...
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39
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" " days on which the elements at Base Station were observed........
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14
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Average air line distance in miles between stations..........................
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20-25
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Approximate total distance traveled in reaching stations, in miles ............
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2000
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SELECTION OF THE STATIONS.
To carry out the provisions contained in the letter to me from the
State Geologist, the first aim was to select a station at the county-seat
of each county or as near thereto as circumstances would permit.
This provision was strictly carried out. Only in a few cases was it
impossible to locate the station at the county-seat. In these cases the
necessary connections with train or steamer could not be made with-
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