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Map Library Blog

Monday, December 10, 2012 - 1:30pm Categories: Uncategorized

The MSU Map Library has added several new sets of digital topographic maps:


Ethiopia at 1:250,000 by the Ethiopian Mapping Agency YaʼItyoṗyā kārtā śerā derejet

Somalia at 1:250,000 prepared from Joint Operations Graphic series 1501 (JOGs)

Somalia at 1:200,000 by the Soviet mapping agency Главное управление геодезии и картографии при Совете Министров СССР

These new sets join our Ethiopian JOGs which were added in June 2012. All sheets are available in JPG preview, TIF, and GeoTIF. In the future we plan to add some sheets of Somalia at 1:100,000...

Continue reading "Digital Topographic Maps: Somalia and Ethiopia"...
Tuesday, September 4, 2012 - 2:33pm Categories: Uncategorized

Landscan 2011 is a world population dataset at approximately 1 km resolution. It represents an ambient population (average over 24 hours). The LandScan algorithm uses spatial data and imagery analysis technologies and a multi-variable dasymetric modeling approach to disaggregate census counts within an administrative boundary. Since no single population distribution model can account for the differences in spatial data availability, quality, scale, and accuracy as well as the differences in cultural settlement practices, LandScan population distribution models are tailored to match the...

Continue reading "LandScan Global Population 2011"...
Tuesday, July 17, 2012 - 4:51pm Categories: Uncategorized

Oversized scanning resumed in the Map Library with the acquisition of a HP T2300 scanner. Sheet maps up to 42" wide may be fed through and saved in TIF, JPG, PDF, JP2, or DWF formats. Bring your own USB drive, sorry it won't take external hard drives unless they have their own power source. Scans cost $1.

Thursday, June 7, 2012 - 1:00pm Categories: Uncategorized

The MSU Map Library now has a fledgling inventory of licensed online digital topographic maps. Currently containing a single entry (Ethiopia JOGs at 1:250,000) over the summer you can watch this list grow with new entries!

Tuesday, June 5, 2012 - 2:24pm Categories: Uncategorized

MSU Libraries' first hosted-and-served set of digital topographic maps is of Ethiopia mapped at a scale of 1:250,000, prepared by the US Defense Mapping Agency Joint Operations Graphic. The finding aid linked from the library catalog displays the sheet boundaries and provides links to download jpg previews, 400 ppi TIF files, and 400 ppi GeoTIFF files.

sample image:

Tuesday, May 29, 2012 - 6:26pm Categories: Uncategorized

Landscan is a world population dataset at approximately 1 km resolution (30" X 30"). It represents an ambient population (average over 24 hours). The LandScan algorithm uses spatial data and imagery analysis technologies and a multi-variable dasymetric modeling approach to disaggregate census counts within an administrative boundary. Since no single population distribution model can account for the differences in spatial data availability, quality, scale, and accuracy as well as the differences in cultural settlement practices, LandScan population distribution models are tailored to match...

Continue reading "LandScan Global 2010 WebApp Access"...
Thursday, March 1, 2012 - 3:41pm Categories: Uncategorized

The Map Library has a new look, with the service counter in a new location nearer the entrance. This change is part of a sequence of events that will eventually lead to a Geospatial Technology Area directly across from the service counter.

Monday, January 30, 2012 - 12:53pm Categories: Uncategorized

The MSU Map Library welcomes a new A3 scanner for flatbed scanning.

The Epson accommodates materials up to 12.2" x 17.2", will scan up to 2400 x 4800 ppi resolution and features 48-bit color. Flatbed scanning remains 5 cents per scan. The Epson complements our 42" HP roll scanner ($1 per scan) to enable scanning of bound publications and more fragile items.

Wednesday, December 21, 2011 - 6:36pm Categories: Uncategorized

The United State Geological Survey has released 2011 editions of the new "US Topo", the new generation of digital topographic maps. In October 2009, the USGS began to load US Topo maps to the USGS Store distribution point where the maps are available for free download. We have been waiting for the approximately 1,500 Michigan sheets to be released which just happened recently.

Search or zoom to your place of interest. Place a red marker on a location of interest, then click on the red marker to see a list of available maps. In addition to the new 2011 maps, you will also see...

Continue reading "USGS releases new Michigan topographic maps"...
Wednesday, December 14, 2011 - 2:52pm Categories: Uncategorized

MSU affiliated library users now have access to Sanborn Fire Insurance Maps, Geo Edition FOR MICHIGAN. About a year ago we purchased 12 metropolitan areas, this new purchase is of 339 places in Michigan. MSU Map Library fans might remember that we've long had the browsable Sanborn maps. The advantage here is the geo functionality which makes most map sheets address-searchable. Map sheets also can be viewed on top of a modern Google maps image so you can see the differences. Map sheets can export as jpg or GeoTIFF. Note that not all map sheets are geo-referenced. Some map sheets can...

Continue reading "All Michigan Sanborn Geo Edition is here!"...

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