The following park covers were extracted from Booklets Descriptive of National Parks and Monuments, issued by the United States Railroad Administration for the 1919 Season. Larger (PDF) versions of each park image can be viewed by clicking on the images extracts from the above booklet for the specific parks are also available by clicking on the park name under each image.
The following cover was extracted from the brochure Pacific Northwest and Alaska, issued by the United States Railroad Administration for the Summer 1919 Season. The brochure includes references and images for Crater Lake and Mount Rainier National Parks. A larger (PDF) version of the cover image can be viewed by clicking on the image the entire brochure is also available by clicking on the above link or the title below the image.