Fig. 1From: Are perceptions of community safety associated with respiratory illness among a low-income, minority adult population?Geography of the BNSF San Bernardino Railyard in southwestern San Bernardino County, inland Southern California. Railyard outlined in black. Sampling regions (also referred to as, environmental hazard regions) from which households were selected: A (nearest region, red); B (middle region, yellow); and C (farthest region, green)Back to article page