-------- Original Message -------- Subject: Re: Cayucos 15 minute Series Date: Mon, 21 Sep 2009 12:20:55 -0700 From: Alan O. Allwardt <[log in to unmask]> To: [log in to unmask] CC: [log in to unmask] References: <[log in to unmask]> Another source for free California 7.5-minute maps (but not 15-minute maps) in GeoTIFF format: http://www.klofas.com/topo/ Alan Allwardt USGS Pacific Science Center >-------- Original Message -------- >Subject: RE: Cayucos 15 minute Series >Date: Mon, 21 Sep 2009 11:59:41 -0700 >From: Mary Whelan <[log in to unmask]> >To: Maps, Air Photo & Geospatial Systems Forum <[log in to unmask]> >References: <[log in to unmask]> > > > > >If you are looking for free, digital versions of the 1:24,000 USGS topo >maps, try one of these web sources: > >1. A KML from Digital Data Services (found here: >http://www.usgsquads.com/prod_ge_indexes.htm ) > >The Colorado company Digital Data Services Inc. (DDS) produced a useful >KML that allows you to zoom to an area of interest using Google Earth, >and then download the USGS quad map that covers that location. The file >you get is a georeferenced TIFF with map collar information. > >Note, the topo maps covering Alaska are in a separate KMZ file, but they >do not have a download option. > >2. The Libre Map Project (http://www.libremap.org/ ) . They >provide: > >* 24k scale USGS DRG's - detailed topographic maps for all 50 >states. >* SVG boundary border files for all US states (including state, >county, and town boundaries) >* TIGER/Line - All 2003 data is available. >* GeoNames - All USGS place names are available for searching. The >data can be used to find appropriate DRG's. > >The site has a handy gazetteer that allows you to search for a name >(Verde River) or term (dam) and get a list of quad maps from the >selected state that contain that name or term. > >Select the quad map you want from the list the site provides, and then >you can download the map Tiff (with the collar information), the >associated World File (.TFW), and the associated metadata (.FGD). > >NOTE: If you're curious, both sites pull the actual quad map Tiffs and >metadata from the Internet Archives >(http://www.archive.org/details/maps_usgs ). > > >Mary Whelan >Geospatial Data Manager >Informatics and Cyberinfrastructure Services >401DA Hayden Library >Arizona State University >P.O. Box 871006 >Tempe, AZ 85287-1006 >[log in to unmask] >480-727-2004 > >-----Original Message----- >From: Maps, Air Photo & Geospatial Systems Forum >[mailto:[log in to unmask]] On Behalf Of [log in to unmask] >Sent: Monday, September 21, 2009 11:47 AM >To: [log in to unmask] >Subject: Cayucos 15 minute Series > >-------- Original Message -------- >Subject: Cayucos 15 minute Series >Date: Mon, 21 Sep 2009 14:12:56 -0400 >From: Jill Uhrovic <[log in to unmask]> >To: [log in to unmask] >CC: Jill Uhrovic <[log in to unmask]> > > > >I am looking for a digital copy of the Cayucos Quad topo sheet at >1:62,500 >for a faculty member. Does anybody have any suggestions or can assist >with this? > >Thanks! > >Jill Uhrovic <[log in to unmask]>