Geological Reports. 185 



6. Cidpeper Gold Mine, Virginia. 



Since the printing of the notice of this mine, and of the other 

 gold mines in Virginia in the present number of this Journal, we have 

 received authentic information from an authority entitled to full credit, 

 that every appearance about the Culpeper mine is very favorable to 

 good success. The workings have been much extended, and new 

 explorations have taken place, disclosing rich and increasing supplies 

 of gold. 



The stamping and amalgamating works are far advanced upon an 

 extended scale ; they are now equal to the exigencies of the mine 

 and will be extended with its progress. Large supplies of ore are on 

 hand, and arrangements are made, or are in progress, to furnish a full 

 supply to the powerful machinery prepared for its reduction. The 

 expenses are kept within moderate limits, and there appears good 

 reason to expect a favorable result of the enterprise. 



7. Geological Reports. 



I. Report of a Geological Reconnaissance, made in 1835, from 

 Washington, by Green Bay, and the Wisconsin Territory, to the 

 Coteau de Prairie, an elevated Ridge dividing the Missouri from 

 the St. Pcter^s River ; by G. W. Featherstonhaugh, Esq. Doc. 

 No. 333, printed by order of the Senate, Washington, 1836, pp. 168, 

 with two large maps and four plates of illustrative sections^and dia- 

 grams. 



The plan of this report is substantially the same with that of the 

 preceding year. The greater part of this report is occupied by an 

 elementary sketch of geology, with occasional elucidations from geo- 

 logical facts in this country. 



The geological narrative begins at the city of Washington, and 

 contains a sketch of facts on the line of the Potomac to Cumberland 

 — then by Bedford in Pennsylvania, to Pittsburgh — by 'the Ohio to 

 the great lakes, and through them to Green Bay, lake Michigan — 

 thence by the Fox River, lake Winnebago, the Wisconsin, &ic. to 

 the Mississippi — up that river through lake Pepin to"'the falls of St. 

 Anthony and St. Peter's river — thence up that river jo its source — 

 thence to the Coteau de Prairie, and back to the Mississippi and St. 

 Louis, by the way of Dubuque's Lead Mines. 



In this wide range, the author met with many interesting facts, which 

 are presented in an attractive form, and it is obvious that the adven- 



VoL. XXXIL— No. 1. 24 



