434 BULLETIN 109, UNITED STATES NATIONAL MUSEUM. 



for revising it and bringing it up to date. The total cost of publica- 

 tion of this final report, two large quarto volumes of 1631 pages, 23 

 full-page plates, 18 folded sheets of sections, and 778 figures in text, 

 was $16,000, and the edition limited to 1,000 copies. The following 

 is the text of the law under which this final report was ultimately 

 published : 



An act supplementary to au act entitled "An act to incorporate the Byberry & Poqnesen 

 Turnpike Road Co., and relative to the publication of the final report on the geological 

 survey of the State," approved April 14, 1851. 



Section 1. Be it enacted hy the Senate and House of Representatives of the 

 Commonwealth of Pennsylvania in General Assembly met, and it is hereby 

 enacted by the authority of the same, That, in addition to the persons here- 

 tofore provided for iu said act, the members and the principal and assistant 

 clerks of each house of the general assembly, for the year 1855, shall be en- 

 titled to receive one copy of the State geological survey, and one copy shall 

 also be sent to each State government, to the Congressional Library, and to 

 each public library of this Commonwealth: Provided, That no individual 

 member, clerk, or library shall be entitled to receive more than one copy of 

 said work. 



Sec. 2. That the secretary of the Commonwealth be, and he is hereby, directed 

 to contract with Prof. Henry D. Rogers for the publication of the Gnal 

 geological report of the survey made by him on behalf of the State, with the 

 accompanying maps, plates, cuts, and engravings, and the furnishing to the 

 State of 1,000 copies thereof, according to the proposals, specifications, and 

 contract adopted and entered into between the Commonwealth and liogan & 

 Thompson in the year 1851 : Provided, That the said contract shall stipulate 

 for the complete publication and delivei-y of said work, within three years 

 from the 1st day of April, 1855; and the said Henry D. Rogers shall enter into 

 a bond, with sufficient security, for the faithful performance thereof. 



Sec. 3. That the secretary of the Commonwealth is further authorized to 

 stipulate in said contract for the publication of the large State map, accom- 

 panying said report, upon twice its present scale: Provided, That the addi- 

 tional cost of said enlargement shall not exceed the sum of $2,000. 



Sec. 4. That the sum of .$19,000 is hereby appropriated for the purp'oses afore- 

 said, to be paid on the warrants of the governor, as follows, to wit: Three 

 thousand dollars on the 1st day of October next; $3,000 on the 1st day of April, 

 18.56; $7,000 on the 1st day of April, 1857; and the last installment as soon as 

 1,000 copies of said work are delivered, according to the said contract; but 

 before the payment of either of these installments the secretary of the Com- 

 monwealth shall be satisfied of the due progress of said work ; and all former 

 appropriations to said ob.iects be, and the same are hereby, repealed. 



Approved May 8, 1855. 



SECOND GEOLOGICAL StIEVEY UNDER J. P. LESLEY, 1874-1888.^ 



Ill 1851, 10 years after the close of field work in 1841, the legis- 

 lature voted an appropriation for publishing a final report of the 

 first survey. The State geologist then revisited portions of the State, 

 especially the anthracite region, with the help of Messrs. P. W. and 



» Compiled almost wholly from a manuscript by J. P. Lesley, written in 1886. 



