The most popular hydro-fluorocarbon (HFC) refrigerants for new commercial air conditioning systems include R-410A, R-407C and R-134a. As a facility manager or owner, itâs important that you understand these different refrigerants so that you can make informed decisions for your facilityâs air conditioning system.
Fall Chinook Salmon, up upriver brights, Spring Chinook Salmon, Coho, Silvers and Columbia River Salmon weighing up to 50 pounds and more migrate their way up the Columbia River every year. choose a Columbia River fishing guide and catch these Columbia River Salmon all year long.. Astoria fishing guides.
COLUMBIA RIVER GORGE HOTELS. The Columbia River Gorge began forming approximately 17 million years ago. Today, this canyon in the Pacific Northwest is part of the Columbia River Gorge National Scenic Area, encompassing almost 300,000 acres near the Cascade Range and spanning southern Washington and northern Oregon.