Filtering by
- All Subjects: Pima County (Ariz.)
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Stewart, Dave
- Creators: Finney, E. C.
Letter from E. C. Finney to Carl Hayden regarding the cost of the Bright Angel Trail and an improved road between the town of Maine and the Grand Canyon.
Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.
This Technical Data notebook has been prepared for a Letter of Map Revision application for a portion of the Trails End Wash located in Pima County, Arizona. The objective of the TDN and LOMR submission is to provide regulatory discharge rates and floodplain limits along the Trails End Wash using better topographic, hydrologic, and hydraulic data.
This Technical Data notebook has been prepared for the Picture Rocks area located in Pima County, Arizona. The objective of the TDN is to provide regulatory discharge rates and identify floodplain hazard area along in the Picture Rocks study area using better topographic, hydrologic, and hydraulic data.
This Technical Data notebook has been prepared for a Letter of Map Revision application for a portion of the Del Cerro Wash located in Pima County, Arizona. The objective of the TDN and LOMR submission is to provide regulatory discharge rates and floodplain limits along the wash using better topographic, hydrologic, and hydraulic data.
This Technical Data notebook has been prepared for the Casas Adobes Wash located in Pima County, Arizona. The objective of the TDN is to provide discharges and floodplain limits along the CSA using better topographic, hydrologic, and hydraulic data. This is a local study and has not been submitted to FEMA.