August in South Moline is thick: heat pooling in the low ground, cicadas sawing away in the big trees near Prospect Park, and grass that grows in bursts between one heavy rain and the next. ER LAWN CARE SERVICES mows through all of it, with trimming along fence lines, edging at drives and walks, and cleanups when a storm drops half a silver maple into the yard. There is a version of a lawn in high summer that looks worn out and a version that looks looked-after, and the difference is mostly showing up on schedule with a sharp blade. The reward comes at dusk, stepping out onto something even and cool underfoot. That is what all the passes are for.