Lyon County has several public web maps available to the public including:
Lyon County has added 1938 air photos to our interactive mapping website.
The 1938 air photos may be viewed here
Lyon County E9-1-1 Contact Information:
| E9-1-1 Contact: | Mark Volz |
| Email: | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| Phone: | (507) 532-8218 |
| Fax: | (507) 532-8217 |
| Address: | Lyon County GIS Department 504 Fairgrounds Rd Marshall, MN 56258 |
New E9-1-1 Address Sign Requests: Lyon County uses GIS to assign and maintain rural addresses. Addresses are assigned using GIS tools that interpolate the address based on the driveway location along the road. Please complete the E-9-1-1 Address Work Request Form below and send it to the E9-1-1 Coordinator to get an E9-1-1 Address.
 E9-1-1 Address Work Request Form | 35 kB |
 E9-1-1 Signing Ordanance | 162 kB |