The Army Officer who comes to Nome to declare martial law is wearing the crossed sabers on his hat; those of a cavalry officer. The hat badge is upside down. The hilts of the sabers should be in the lower half, not the upper. The blade tips belong at the upper half.
In the beginning of the movie, Sean McClennon (James Caan's character) states that "non-citizens" have no right to claims. Alaska was not even a US territory at the time, so in fact, Sean McClennon had no right to any claims as well.