Raw aerial photographs, orthophotograph, point cloud data, and digital elevation model (DEM) of 09471121 Walnut Gulch below ARS Flume 11, near Tombstone, AZ, from UAS survey on 07/19/2017. To access data published by U. S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center: New user: 1) Go to https://earthexplorer.usgs.gov/ 2) Click on Register in upper right corner and complete User Registration. Registration will be confirmed via email. Registered user: 1) Log in at https://earthexplorer.usgs.gov/ 2) Download the KML file below. Under the KML tab in the Search Criteria in Earth Explorer, click on Select File, and select the downloaded KML file. 3) To see data from a specific survey,...