He was indicted and tried for conspiracy to defraud the government for falsifying names on homestead and pre-emption land claims and then selling the property.

[3]: 639 [4] He succeeded John C. Moore,[5] who served as mayor 1859 to 1861 when Denver was part of the provisional Jefferson Territory.

[6]: 132  In the meantime, new claimants with false names had transferred the land to Robert E. Carr and David Moffat, who was a friend and banking partner of Cook's.

[6]: 132  Cook, Moffat, and Irving W. Stanton were tried for conspiracy to defraud the government in 1875, and were represented by among the state's best attorneys.

It was filed in the name of the United States by the attorney general to declare void and cancel 61 patents for land in Las Animas county amounting to a total of 9,565.95 acres.

In the present case, the testimony, in our opinion, does not justify us in finding that at the time Jackson acquired his title there were upon any part of the premises in controversy any 'known mines' of coal, in the sense of the statute.