Good morning all, For those of us who grew up here it was never lost, but the link below helps explain one of the values LiDAR brings to us. If you are familiar with LiDAR this is nothing new and it doesn't explain the technical side much but it does illustrate the difference between traditional imagery and high res topography. http://news.nationalgeographic.com/news/2014/01/140103-new-england-archaeology-lidar-science?goback=.gde_1923801_member_5825286417244237825#! Joseph Young Executive Director Maine GeoLibrary SHS 145 51 Commerce Drive Augusta, Maine 04333- 207-624-2664 [MaineGeoLibrary_Web_banner_JY] ----------------------------------------------------------------------- This list Maine GeoNews (GEOLIBRARY-L) is an unmoderated discussion list for all Maine GIS Users. If you no longer wish to receive e-mail from this list, you can remove your name and email address yourself at the this web address: http://lists.maine.edu/cgi/wa?SUBED1=geolibrary-l&A=1 Or,you may also request that your name be removed by sending email to: [log in to unmask]