Assertion: center | /r/HasProperty | 393 marker
Facets:
Source sentences:
text: Left field to left-center: 20 (1913), 3 (wood, 1920), 9.87 (concrete, 1931); center field: 20 (1913), 393 marker: 9.87 (concrete, 1931) sloping upward; 376 marker: 15 (concrete, 1931); right-center: 9 (concrete, 1913), from 376 point to screen