Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 2, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 20, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 21, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 22, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 23, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 24, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 25, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 26, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 27, 1961 from the Dave Sprau Collection.

Great Northern Dispatchers Record of Movement of Trains (trainsheet) for the Cascade Division 2nd Subdivision, March 28, 1961 from the Dave Sprau Collection.