Dennis Grabnegger

References

• Up Rope Volume 35, Number 5; May 1, 1970 (1970-05.pdf)
• Up Rope Volume 27, Number 5; May 1, 1972 (1972-05.pdf)
• Up Rope Volume 28, Number 8; Aug 1, 1973 (1973-08.pdf)
• Up Rope Volume 28, Number 10/11; Nov 1, 1973 (1973-10.pdf)
• Seneca, The Climber's Guide