The shelter building was built by Cincinnati contractor Holt & Reichard, Inc.
The large shelter building at the transit centre is accessible and equipped with power doors.
A bond issue resulted in a $900,000 indoor shelter building which was opened in September 2005.
Participants learn tracking, arrow making and shelter building.
Crafts being taught every day by rangers on the 120 acres of land include shelter building, tracking and foraging.
In the winter, the Okpik program is offered, with activities such as cross-country skiing, dog sledding, snow shoeing, ice fishing, and shelter building.
The church served as a medical shelter building during the 1918 influenza plague.
The small shelter building has now gone, but its concrete base can still be seen.
In addition, city officials warned the residents living near the dam to take shelter public buildings though most refused to leave.
"We can now add shelter building to the list of advanced behaviours that includes burying the dead, spoken language, cooking and wearing jewellery."