i)2 ALASKA. 
revision have been made for the purpose of a more convenient and orderly 
arrangement of the same, and therefore no inference or presumption of a legis¬ 
lative construction is to be drawn by reason of the r l itle, under which any par¬ 
ticular section is placed. 
Sec. 5601. The enactment of the said revision is not to affect or repeal any 
act of Congress passed since the first day of December, one thousand eight hun¬ 
dred and seventy-three, and all acts passed since that date are to have full effect 
as if passed after the enactment of this revision, and so far as such acts vary 
from, or conflict with any provision contained in said revision, they are to have 
effect as subsequent statutes, and as repealing any portion of the revision incon¬ 
sistent therewith. 
Approved, June 22, 1874. 
AN ACT to amend the act entitled “An act to promote the development of the mining resources 
of the United States,” passed May tenth, eighteen hundred and seventj^-two. 
Be it enacted by the Senate and House oj Representatives of the United States 
of America in Congress assembled , That the provisions of the fifth section of 
the act entitled “An act to promote the development of the mining resources of 
the United States,” passed May tenth, eighteen hundred and seventy-two, 
which requires expenditures of labor and improvements on claims located prior 
to the passage of said act, are hereby so amended that the time for the first 
annual expenditure on claims located prior to the passage of said act shall be 
extended to the first day of January, eighteen hundred and seventy-five. 
Approved, June 6, 1874 (18 Stat., 61). 
AN ACT to amend section two thousand three hundred and twenty-four of the Revised Statutes, 
relating to the development of the mining resources of the United States. 
Be it enacted by the Senate and House of Representatives of the United States 
of America in Congress assembled, That section two thousand three hundred 
and twenty-four of the Revised Statutes be, and the same is hereby amended so 
that where a person or company has or may run a tunnel for the purpose of 
developing a lode or lodes, owned by said person or company, the money so 
expended in said tunnel shall be taken and considered as expended on said lode 
or lodes, whether located prior to or since the passage of said act, and such 
person or company shall not be required to perform work on the surface of said 
lode or lodes in order to hold the same as required by said act. 
Approved February 11, 1875 (18 Stat., 315). 
