This is a map view of the impact region outlining the Alamo impact crater and the possible location (dotted lines and question marks) of its complex crater features. Disclaimer: AAAS and EurekAlert!
2. A new three-dimensional look at the geology, geophysics, and hydrology of the Santa Clara ("Silicon") Valley; and 3. The makeup of the western Brooks Range, Alaska, USA. Gustav B. Seixas et al., ...