1922] 



SMITH, BOTANY IN SOUTHWESTERN WISCONSIN 



125 



on the prairie was a field of 695,000 tomato plants and 135,000 cabbage 

 plants, as seen in figure 72, flourishing to keep the factory busy. The 

 chief industry of the city was a large woolen mill. Near the river was 

 a factory cutting pearl button blanks from the river mussels for a but- 

 ton factory back in Amsterdam, New York. We watched the "clam- 

 mers" fishing up the shells and boiling them open, and took a series of 

 photographs of all operations. 



At Prairie du Chien the Wisconsin river flows into the Mississippi, 

 and the better to observe it, we took the ferry, Wanamingo, on Sttnday 



Fig. 12. — Prairie du Chien, Crawford Co., Wis., from the Brisbois Bluff, 

 showing large fields of tomato plants. 



to McGregor, Iowa. We walked down the Milwaukee road tracks for 

 two miles to Pike's Peak, in the proposed national park, and climbed 

 it to photograph the Wisconsin side. Figure 73 shows the mouth of 

 the Wisconsin river flowing into the Mississippi river. The view is 

 more wonderful from here than from the Wisconsin side because the 

 bluffs are right at the edge of the Mississippi, whereas the bluffs are 

 three miles away from the river on the Wisconsin side. While we 

 were there, we went down to the Pictured Rock canyon, and photo- 

 graphed the curious whorls of color in the sandstone of the cave. The 



