For much of the way, Imperial Highway is signed as State Route 90. A de facto freeway portion of the route in Yorba Linda is also known as the Richard M. Nixon Parkway. The portion in Los Angeles County is located about one mile north of, and runs parallel to, Rosecrans Avenue.
Are areas of your lawn bumpy and uneven? When you walk across these areas does the soil sink or feel soft? If so, some type of soil dwelling critter is probably the cause. During winter the activity of moles, earthworms, and mole crickets can cause mounds and tunnels in lawns that result in uneven or rough patches. To fix these problem areas you must first diagnose which critter is causing the damage. Earthworms.
Lumpy Lawn. Lumpy lawns are common in Colorado and are caused by earthworms and night crawlers. Earthworms in a lawn are a sign of healthy soil because they eat thatch, grass clippings and other organic matter, recycle nutrients and aerate the soil.This improves the health of the lawn.ince worms are good for a lawn, it is best to mow the lawn as high as the mower can be set and leave the worms alone. However, worms build mounds of soil on the surface of the lawn, creating an uneven, bumpy surface. Aeration in the spring and fall, coupled with light rolling of the lawn, will help smooth the surface.