
          Mr. Rafinesque called on me last week
 to say you were desirous to know the
 locality of the Blue Iron Earth. 
 The principal one whence the specimens 
 are obtained I have never visited
 but it is on the waters of Crosswick
 Creek not far from Allentown.
 It was there discovered more than
 50 years ago, used as a pigment
 and a notice of it published in
 a magazine of those days. 


 If you wish to visit the place
 many persons in that neighborhood
 would put you on a proper direction. 


 I shall have the pleasure
 of writing you again , I trust
 ere long. 


 Yours respectfully
 Z. Collins

        