Conversation so far:
Why did Mike Gravel move to Alaska?
Mike Gravel decided to become a pioneer in a faraway place, and moved to pre-statehood Alaska.
when did Mike Gravel move to alaska
Mike Gravel decided to become a pioneer in a faraway place, and moved to pre-statehood Alaska in August 1956.
What did Mike Gravel do in alaska
Broke when he arrived, Mike Gravel immediately found work in real estate sales until winter arrived.
What did Mike Gravel do in winter when he first moved to Alaska
Mike Gravel then was employed as a brakeman for the Alaska Railroad, working the snow-clearing train on the Anchorage-Fairbanks run.

Question: What else did he do in alaska
Self-contained rewrite: What else did Mike Gravel do in alaska other than moving there, finding work in real estate sales, and be employed as a brakeman for the Alaska Railroad