Typical costs: First, test to see if the popcorn texture contains asbestos. Wet several spots with water and scrape small samples of the material into resealable plastic baggies, then submit them to a lab. Lab tests typically cost $10-$60, depending on the lab and how long it takes to get the results.
Fort Clatsop. From FortWiki. Fort Clatsop (1805-1806) - This fort was the first military establishment to be built in Oregon. It served Lewis and Clark and the 33-member Corps of Discovery as winter quarters in 1805-06 as seven cabins surrounded by a 50 ft square log stockade.
Fort Clatsop was the winter encampment for the Lewis and Clark expedition December 7, 1805 to March 23, 1806. Several special events are held throughout the year. Summer hours are 8 a.m. to 6 p.m. daily (mid-June to Labor Day). Winter hours are 8 a.m. to 5 p.m. daily (September to mid-June).