tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3 tract 284, blockgroup 3