188 BAILEY WILLIS — GRAPHIC FIELD NOTES. 



Verbal Notes for horizontal Location. — Example : 



" Went from camp 1^ miles zb along river bank ; no outcrops. Turned up south- 

 eastward, ascending crooked ridge ; in J mile =b came to outcrop of typical quartzite. 



" Followed along the strike, descending to brook ; section well exposed. Up brook, 

 course S. 10° dr "VV., pass over alternating beds of sandy shale and sandstone, dips 

 varying from 10° to 85° ; in f mile rfc heavy sandstone, may represent typical quartz- 

 ite ; in fifty steps fossiliferous limestone, either under or over quartzite, dips 70° to 

 90°, structure indeterminate. Collected fossils and returned to camp." 



This represents a bad case ; careless work from the start vitiated the value 

 of any possible observation. On the face of the notes it is apparent that the 

 approximate distances are not worth anything, and when the looked-for 

 quartzite was found its existence was established but not its position. The 

 geologist, having observed nothing up to this point, was practically lost ; and 

 being lost, that is, being cognizant only of general relations, he disregarded 

 the details of the brook section. This day's work resulted in a collection of 

 fossils from a limestone which was topographically and geologically unde- 

 termined, and was consequently almost wasted. This ineffectual result fol- 

 lowed from a loose beginning ; it may serve to point the application^of the 

 old saying: " Whatever is worth doing at all is worth doing well." 



Graphic Notes. — An example of graphic field notes, taken directly from 

 a field plat drawn in the note-book without the use a protractor, is illus- 

 trated in the accompanying plate 6. The original record is in pencil ; 

 a tracing in ink was made, the character of the original being maintained as 

 closely as possible; and this tracing reproduced by photo-engraving forms 

 the plate. 



