Colorado Birds Archives since 1967 Logged-in members may click on the cover image to read the journal issue Colorado Birds archives are available from 1967 forward. Access to the most recent issues is limited to CFO members. Researchers may also be interested in the index of articles for issues printed 1967 - 2000. The journals are filed by decade, year, and quarterly issue. Click on the appropriate decade file folder below to find your desired issue. Members may login to have access to recent issues User Name: Password: Viewing the folder JournalArchives Folder/IssueTypeSize 1967-1969 File folder 1970-1979 File folder 1980-1989 File folder 1990-1999 File folder 2000-2009 File folder 2010-2019 File folder 2020-2029 File folder Other Archived Documents DocumentTypeSize Birds_in_Western_Colorado_by_William_A._Davis_1969.pdf PDF file 1,130 KB CFO_Newsletter_No._1_November_1,_1970.pdf PDF file 219 KB CFO_Newsletter_No._2_January_1,_1971.pdf PDF file 269 KB CFO_Newsletter_No._3_March_1,_1971.pdf PDF file 416 KB CFO_Newsletter_No._4_May_1,_1971.pdf PDF file 444 KB Colorado_Bird_Distribution_Latilong_Study_1988.pdf PDF file 1,913 KB Lair_o_the_Bear_-_Mike_Foster_-_51-2_-_CORRECTED.pdf PDF file 101 KB