THE MAGNETIC DECLINATION IN CECIL 



COUNTY 



BY 



L. A. BAUER 



Magnetic observations for the purpose of determining the magnetic 

 declination of the needle, or the " variation of the compass/ 7 have 

 been made by the Maryland Geological Survey and the United States 

 Coast and Geodetic Survey at the following points within the 

 county. 



TABLE I 

 Magnetic Declinations Observed 



;n Cecil County. 



No 



Station. 



Latitude. 



Longitude Date of 

 Gr'nwich. Observation. 



Magnetic 

 Declination on 



Observer. 



Re- 





Date Jan. 1,1900 

 west west 



marks. 



1 



Elkton, near 







i 





Sur- 

 veyors 

 should 





S. M. stone. 



39°36'.5 



79°49'.5 Oct. 15, 1896 5°l2'.0 5°21'.6 



L. A. Bauer 



2 



Elkton, at S. 







llSfi 





M. stone. . 



39 36 .5 



79 49 .5 June 9, 1900 5 21 .3 20 .0 



J. B. Baylor 



S. M. 



3 



Elkton, atN. 

 M. stone. . 



39 36 .5 



Mean 5 21 

 79 49 .5 June 9, 1900 5 51 .5 5 50 



J. B. Baylor 



stone 



4 



Rising Sun. 



39 41 .5 



76 03 .3 June 22, 1899 5 08 .8 5 10 ) 



L. A. Bauer & 





5 



Calvert .... 



39 41 .8 



75 57 .7 June 22, 1899 



5 26.0.5 28 / 



J. A. Fleming 





All values refer to mean of day (24 hours.) 



DESCRIPTION OF STATIONS. 

 1. — Elkton. Near South Meridian Stone, High School Grounds. 



2. " At South Meridian Stone, High School Grounds. 



3. " At North Meridian Stone, High School Grounds. 



4". — Rising Sun. In Mr. H. J. Briscoe's field near the north corner of fence, and 



east of railroad station. 

 5. — Calvert. Near southeast corner of school lot, about in line with east edge of 



school and 16 paces north of large oak. 



For a description of the methods and instruments used, refer- 

 ence must be made to the " First Report upon Magnetic Work 

 in Maryland/' vol. i ? Maryland Geological Survey Report. This 

 report gives likewise an historical account of the phenomena of the 

 compass-needle and discusses fully the difficulties encountered by 



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