Help !!!

These photos came from an envelope of negatives 

at the Fairview Museum. Look carefully to see if

you can identify the people, the houses, or scenery.

Unknown Men From Unknown Mine ~ From Johanna Madsen Hafen Collection

Photo Negatives Found at Fairview Museum Labeled 1910-1930 ~ Ferdinand Ericksen

Please help Identify these people.  Or recognize the backround.  

Photos from negative found in the Fairview Museum

Can anyone help us identify the people, houses or events in these photos?

Photos Found In the Fairview Museum, Labled Mt. Pleasant Photos

Photos Found In The Fairview Museum, Labled "Mt. Pleasant Photos"

These people look familiar, but....

Is this the same guy as above?

On the top of the frame it says "Don't Know".

Anyone want to claim this handsome mustache?