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titles of boiling water to a great height, and act some- 

 thing like a volcano. They are found in Europe and 

 America. It is necessary that visitors avoid going too 

 close to them. 



Mineral springs contain mineral substances, which 

 are extensively used for medical purposes^ and are often 

 visited by invalids. Cold springs are those whose tern- 

 perature does not arrive above 60^ F. What a refresh- 

 ing thing a cold spring of water is, whether in a spring 

 house or in some wilderness among rocks and shrubbery. 

 In the latter case it is more grand both as serving to 

 refresh the wanderer, and add to the picturesqueness 

 of the scene. How pleasant it is v/hen one is weary of 

 roaming about to sit down by a spring of water and 

 feel its cooling influence, and listen to its gentle mur- 

 mur! What pleasant stories it seems to tell of those 

 who have come to quench their thirst from its never 

 ceasing supply, and how they have lingered by its side 

 in calm and peaceful enjoyment, forgetful of life's 

 many troubles. 



ROCKS AND MINERALS. 



Rocks form an interesting feature in landscapes. 

 There are many different kinds, varying in size, form 

 and structure, according to the age in which they were 

 made. Most of the rocks seen upon the surface are a 

 bluish gray color, and very hard, while others are of a 

 red or yellow cast, as in the various shades of sandstone 

 or soft and crumbling rock. In some deep cuts and 

 excavations along rail roads and carriage roads, soft 

 stone may be seen which is formed in thin sheets or 

 layers and is easily crumbled by the pressure of the 



