Your best option would be to just follow us out.
However the directions are below:

1.Turn onto NP Avenue heading East towards Moorhead.
2. NP AVE becomes CENTER AVE becomes US-75 North
3. Continue on US-10 EAST - go 0.9 mi
4. US-10 EAST becomes CENTER AVE[US-10] - go 2.0 mi
You will go past the Wal-Mart and Target in Moorhead
5. Continue to follow US-10 EAST - go 17.0 mi
6. Turn  Right on 230TH ST S - (Should be by alot of John Deere equipment) - go 3.0 mi  (Look for signs).
7. Arrive at 230TH ST S AT 40TH AVE S, HAWLEY

Silver Lake Map Directions

You may also want to look at the map located at http://www.gis.co.clay.mn.us/ClayMap.pdf
If you find Moorhead and continue West on Highway 10, you will see Hawley... look at the map and you should see Silver Lake nearby to the South.