1. Another reservoir has burst;Eng. News,1889
2. Castlewood Dam failure floods Denver;Eng. News-Rec.,1933
3. Dam collapses in southeast spur federal inspection plan;Eng. News-Rec.,1977
4. Failure of Apishapa earth dam in southern Colorado;Eng. News-Rec.,1923
5. Flood damage to Puddingstone earth-fill dam;Eng. News-Rec.,1926