In the Milk River Country 129 



described it to Dr. F. H. Knowlton, of the U. S. 

 Geological Survey last winter, and he has never 

 seen anything like it. It is evidently new to sci- 

 ence. From a letter received lately I have learn- 

 ed our suppositions were correct. This is the 

 first Pahn of this kind seen by men of science 

 from the Cretaceous Age. 



At the mouth of Verdegris Coulee, Charlie 

 photographed some remarkable fine rock forms 

 carved out by nature. The photograph showing 

 the urn-shaped mass, was formed by a sand blast 

 operated by the winds, that whirled around the 

 mass that had been separated from the main 

 rock in the recession of cliffs. The top layer be- 

 ing harder than the rest, it was corroded more 

 slowly than the lower and softer layers, produc- 

 ing the wonderful urn. The sand and wind pol- 

 ishing and planing away the rock, as effectually 

 as if had been a broom stick under the action of 

 a lath. I think this one of the most beautiful 

 designs of. nature I have ever seen. The second 

 picture Charlie thinks resembles an "Egyptian 

 Sphinx." 



On the 12th of June we reached our camp in 

 the valley of Milk Eiver. In the very center of 

 the exposures, some three miles above where it 

 crosses the International Line, and flows towards 

 the Upper Missouri, in Montana. On the 15th 

 my notes record that I had gone over the entire 

 series of rocks from top to bottom, finding only 

 a few isolated crumbling bones of dinosaurs, of 



