Download or read book Present Status of Management and Technical Practices on Alluvial Fan Areas in Arizona written by Robert L. Ward and published by . This book was released on 1988 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discussions examine the history of the "404" program and evaluate its impact on highway development in Arizona and explore clarification of such key terms as "ordinary high water mark" and "headwaters." ADOT's policy for compliance with"404" program criteria is also evaluated. The report concludes with research recommendations that could enhance the ability to effectively manage the development of alluvial fans.