May 22, 2022

Reference: USGS’s New Database Helps Users Map Biodiversity

From FCW: A new Web-based federal resource makes more than 100 million mapped records of nearly every living species nationwide searchable by any user. The Biodiversity Information Serving Our Nation (BISON) system allows users — often land managers, researchers, refuge managers, citizen scientists, agriculture professionals, fisheries managers, water resource managers, educators and others — to search for […]

Reference: New USGS Topographic Maps for California, Louisiana, and Mississippi Rolling Out

Maps are free to download online. Links below. From the USGS: In response to the need for up to date map coverage of the United States, the U.S. Geological Survey (USGS) has developed a national map series named the US Topo. With approximately 48,000 new digital maps currently available for free download, more than 4,300 […]

Historic Maps Go Digital, More than 161,000 Historic Topographic Maps Now Available from USGS (Free)

From the USGS: The U.S. Geological Survey (USGS) has publicly released more than 161,000 digitally scanned historical maps spanning in excess of 130 years and covering the conterminous lower 48 states. This Historical Topographic Map Collection provides a comprehensive repository of the landscape of our Nation and tracks changes through time, providing essential clues critical […]

Reference: USGS Enhances Real-Time Earthquake Information Pages

From a USGS Announcement: New U.S. Geological Survey webpages featuring more robust, real-time earthquake information are now available.  Whether the earthquake is minor or major, visitors will see a unique, interactive earthquake map that regularly updates, can be individually tailored, and provides saved settings for future map visits. [Clip] From the website, users can […]

The Last Piece of the Puzzle: USGS Historical Maps

A brief look at USGS Historical Maps and info about how to access them online (free). From the Article: For almost 130 years the USGS topographic mapping program has accurately depicted the complex geography of our Nation.  Physical and cultural features change over time.  Maps are updated and new editions are printed.  For decades most […]

Biodiversity Heritage Library Adds Two Partners & Makes Some Content Available on iTunesU

From the Smithsonian Institution Libraries: Two new members have joined the Biodiversity Heritage Library: Cornell University Library (Ithaca, N.Y.) and the U.S. Geological Survey Library (Reston, Va.). These two institutions will contribute to the digitization of historical science literature in the BHL collections. All material will be online, free and available to the public. Cornell […]

Digitized Maps: California: More than 13,000 Online Maps Provide Historic View of State

From a California Watch Article: This week, the U.S. Geological Survey added 13,688 historical California topographic maps to its online archive [free], hundreds of which date back to the 1800s. From the Gold Rush town of Downieville in the Sierras to El Cajon in the hills above San Diego Bay, the maps provide a picture […]

Update: More than 90,000 USGS Historical Topographical Maps Now Online

In July, we posted that the USGS was releasing more than 200,000 historical maps from to 1884 to 2006) online. Today the USGS announced that more than 90,000 hi-res digitized maps are available for download (free; GeoPDF) or as a scanned print (fee-based, $15/maps). Direct to Historical Topographic Map Collection Web Site and Search (via […]

Searchable Databases of Historic Earthquake Info (Both Global and Regional Data)

1. NEIC (via USGS) Earthquake Search The database (three ways to access data) contains data for M2.5 and greater U.S. earthquakes and M4.5 and greater Worldwide earthquakes. Data goes back (depending on region) a couple of thousand years. 2. ANSS (Advanced National Seismic System) Search Includes info for earthquakes M0 and greater in the U.S. […]

New & Free: USGS Releases More than 200,000 Historical Maps From 1884-2006

From a USGS Announcement: The U.S. Geological Survey (USGS) Historical Quadrangle Scanning Project (HQSP) is in the process of releasing all editions and all scales of more than 200,000 historic topographic maps of the United States dating from 1884-2006. For more than 130 years, the USGS topographic mapping program has accurately portrayed the complex geography […]