||Ig Ol ten wheie the ame occur in said sect] on, nd by i eiting in lieu theieof the woid "tweni ty And sec tion ;\en of said act is hereby amended by stn aut the woid fifteen," where the same occurs in said si action , and up (err- ig in lieu thereof the word "twenty-five. ." A nd the t mineral land," wherever the same occur ¦s in 1 ;his act, and"! le act to which this is aa amendment, ahal 1 not be consti i include coal and iron lands. And any land* i granted by tis act, or the act to which this is an ame mdme nt, shall not sfeat or impair any pre-emption, homest ;ead, i swamp Is md'Pr, ? other lawful claim, nor include any Govei mm en 7 mineral lands, or the improvements of an ybon afideseti ier,0 ¦ any lands returned and denominated as mil lerall ands, and [the mber necessary to support his said impro'v emen ts as a mi ner, iculturist, to be ascertained under such rules as havt been or may be established by the Commissioner of the General Land Office, in conformity with the provisions of the pre-emption laws: Provided, That the quantity thus exempted by the operation of this act, and the act to Li which this is an amendment, shall not exceed one as an agriculturist, and such quantity for each settler establish by general regulation: Provided, also, That the phrase "but where the same shall contain timber, theTi timber thereon is hereby granted to said company," in the pro- • viso to said section three, shall not apply to the timber growing or being on any land farther than ten miles from the centre line of anyof sa f said roads o branches mentioned m said And all lands shall be excluded from the , and of the act to which this act is an were located or selected to b located, colleges for the benefit of agriculture and the m approved, July second, eighteen hundred and s notice thereof given at the proper land office.