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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Erosion
- Creators: Demaray, A. E.
- Creators: Battelle Memorial Institute. Technology Partnership Practice
- Creators: Crosby, W. W.
Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Letter from A. E. Demaray to Carl Hayden informing him that the Secretary of the Interior will not reimburse Roy James and M. J. Hanley.
Letter from W. W. Crosby to the Director of the National Park Service defending his placement of the dynamite near Grand Canyon Village. He states there is between 16-20 tons of dynamite.
Letter from Arthur E. Demaray to Carl Hayden regarding insurance claims submitted by three men who lost property due to a fire in government-owned apartments.
Letter from A. E. Demaray to Carl Hayden with Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.
The objectives of this report are to document the on-site and off-site hydrologic and hydraulic assessment of the site and its characteristics, quantifying existing conditions peak discharges, and define the limits of 100-year on-site floodplains.
This plan was undertaken by the Arizona Department of Transportation Multimodal Planning Division Aeronautics Group to evaluate and recommend a terminal area layout to meet anticipated terminal area demands.
This parcel has some houses already constructed, but most of the area is left undeveloped and can be classified as desert foothills. The objective of this report is to determine all of the flows generated by a 100-year storm in excess of 100 cfs and then map the flood-prone boundaries for the associated channels.
Tucson Water's Valley View Reservoir site and Flecha Caida Ranch Estates #9 has experienced numerous drainage-related problems,including inundation, erosion, and limited access during the rainy season. A portion of the reservoir site and approximately one-half of the subdivision are both located in the 100-year flood plain.
This report is being submitted for the purpose of reducing the erosion setback limits. The information contained herein supports the claim that a safe reduction in the setback distance can occur.