9. North America's wind rush
Appendix A. U.S. wind farm map ; Appendix B. Industry associations ; Appendix C. Small wind turbine equipment providers ; Appendix D. American windmill and parts providers ; Appendix E. U.S. government sources ; Appendix F. Publications ; Appendix G. Other useful modern wind information sources ; Appendix H. Windmill history, associations, and publications
Appendix I. American windmill museums.