Oregon State Police made a traffic stop west of Klamath Falls Tuesday, and a follow up investigation led to a big marijuana bust. A home in north rural Jackson County was searched, and 77 pounds of marijuana, firearms, and other evidence was seized. Two people from Iowa were carrying 47 pounds of marijuana in their vehicle. The drugs originated from Jackson County, and Donald Sifford and Christopher Sifford were arrested there after an investigation. Total estimated value of the seized marijuana is approximately $200,000.