Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map
To download the Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map, please use the link below.
Similar Posts
The Salton Sea Fishery Decline
The Historical Salton Sea Fishery The Salton Sea fishery is a historical part of the Salton Sea, California’s largest body of water and arguably, the largest environmental disaster to date. At a time before toxicity levels at the Salton Sea became problematic, many fish species were stocked into the lake for sport and commercial purposes….
Geology for Rock Climbers
Geology for Rock Climbers Geology for rock climbers tends to be a science of newfound interest. A field of study, that apparently, wasn’t the most popular among Millenials during their formative years. Although to be honest, most people do remember Earth Science class in high school for its tranquilizing effect. But fast forward 10- to…
Geologic Time Scale
Geologic Time Scale The Geologic Time Scale is an international system used by geologists to classify and identify major geologic events and formations. The geologic timescale essentially categories the earth’s entire geologic (and biologic) history, within a series of defined eons, eras, periods, epochs, and ages. Updates & Maintenance The geologic time scale is continuously…
Women in Geology
Women in Geology Women in geology have been making astounding contributions to the scientific community since the 1700s. From environmental engineering to mining, petroleum, and water exploration, female geologists are increasing in numbers, and are valuable assets to these industries. The planet Earth and it’s geological formations show no preference or priority of gender. Consequently,…
St. Francis Dam Disaster Site – Facts & Geology
The St. Francis Dam Disaster The St. Francis Dam disaster of 1928 was the failure of a large concrete gravity dam due to unmitigated geologic hazards, causing over 55 miles of violent flooding, and over 400 deaths. It is said to be California’s worst engineering catastrophe to date. Updated April 11, 2024. Saint Francis Dam…
Agate Types & Geological Properties of the Agate Crystal
Agate Types & Geological Properties of the Agate Crystal The agate crystal is a microcrystalline-quartz mineraloid that has a lustrous display of multi-color banding and results from long-term accumulations of siliceous groundwater deposits in rock cavities. Much like other mineraloids, all agate types form over thousands of years inside the existing voids of other igneous,…
