Three north-and-south sections to show estimated amount of excavation necessary. [Plate [CXIX] of this report.]

Plan showing roof support. [Plate [CXXII] of this report.]

Two sections showing roof support. [Plate [CXXIII] and plate [CXXIV] of this report.]

IV. OATH OF DISINTERESTEDNESS

I do solemnly swear that the copy of contract hereunto annexed is an exact copy of contract made by me personally with Theodore Louis Stouffer and Frederick Emerson White; that I made the same fairly, without any benefit or advantage to myself, or allowing any such benefit or advantage corruptly to the said Theodore Louis Stouffer and Frederick Emerson White, or to any other person or persons; and that the papers accompanying include all those relating to the said contract, as required by the statute, in such case made and provided.

(Signed)Cosmos Mindeleff.
Sworn to and subscribed before me at Washington, D.C., this 18th day ofJuly, 1891.
[seal](Signed)Jno. D. McChesney,
Notary Public.

V. BIDS

I

Bid for repairs on the Casa Grande ruins, in Pinal County, Arizona, bidders to furnish all labor and materials according to specifications:

Item No. 1. Cleaning out débris, 60 cents per cubic yard.
Item No. 2. Underpinning walls, $1 per cubic foot.
Item No. 3. Filling in openings, $1 per cubic foot.
Item No. 4. Bracing walls, $200.
Item No. 5. Wire fence, 3 cents per foot complete.
Item No. 6. Roof, $2,000.