2624 Heartland Drive
Sheridan, WY  82801
(307) 672-7133 Office
(307) 672-7143 Fax


Client and Public ftp Sites.

ATC provides secure access to our ftp sites for exchanging project information, including reports, maps and images.  If you are a client with an ATC ftp site, click on the link below and login with the username and password provided to you.  We also maintain a “public” ftp site that can be used for one-time use or other circumstances.  Contact us to obtain the username and password or if you have any questions accessing your site.


Client Login


We’ve found the Web resources below to be valuable in our work and for our clients.  Contact us if you have any questions regarding these sites.


Wyoming Geographic Information Science Center (imagery, maps and geospatial data for Wyoming) images University of Wyoming Institute for Energy Research images
Wyoming Department of Environmental Quality (Wyoming land, water and air quality rules and regulations) images U.S. Environmental Protection Agency (Code of Federal Regulations and current federal legislation) images
Wyoming Geographic Information Advisory Council images U.S. Department of Interior, Bureau of Land Management images
Wyoming Oil & Gas Conservation Commission (information on well ownership and production) images Wyoming Secretary of State images
Montana Board of Oil & Gas Conservation images Wyoming State Engineer’s Office (water rights information) images
Montana State Library Natural Resource Information System’s Digital Raster Graphics TIFF Images images Wyoming State Government images
U.S. Army Corps of Engineers (wetlands information and permitting) images ENVIRO-NET (follows current  environmental regulations and issues) images