“ In Northern P. R. Co. v. Wass, 104 Minn. 411, 116 N. W. 937, it was decided that lands claimed under an indemnity grant, and described in lists of indemnity selections filed in the appropriate United States Land Office, and which were rightfully pending for action by the proper officer, were nevertheless subject to entry by others, to the destruction of the right to select, and to the frustration of te governmental power to approve the selections and award the land under the granting law. ”