Sample problem from GeoJSON-Ballparks

ballparks_example.geojson

{
"name": "ballparks",
"type": "FeatureCollection",
"features": [{
		"type": "Feature",
		"geometry": {
			"type": "Point",
			"coordinates": [-111.88552836402256, 33.545239511955714]
		},
		"properties": {
			"Class": "Spring Training",
			"League": "Cactus",
			"Team": "Arizona Diamondbacks",
			"Ballpark": "Salt River Fields at Talking Stick",
			"Lat": "33.546111",
			"Long": "-111.885278"
		}
	},
	{
		"type": "Feature",
		"geometry": {
			"type": "Point",
			"coordinates": [-111.88552836402256, 33.545239511955714]
		},
		"properties": {
			"Class": "Spring Training",
			"League": "Cactus",
			"Team": "Colorado Rockies",
			"Ballpark": "Salt River Fields at Talking Stick",
			"Lat": "33.546111",
			"Long": "-111.885278"
		}
	},
	{
		"type": "Feature",
		"geometry": {
			"type": "Point",
			"coordinates": [-111.88552836402256, 33.545239511955714]
		},
		"properties": {
			"Class": "Rookie",
			"League": "Arizona League",
			"Team": "Arizona League Diamondbacks",
			"Ballpark": "Salt River Fields at Talking Stick",
			"Lat": "33.546111",
			"Long": "-111.885278"
		}
	},
	{
		"type": "Feature",
		"geometry": {
			"type": "Point",
			"coordinates": [-111.88552836402256, 33.545239511955714]
		},
		"properties": {
			"Class": "Off Season",
			"League": "Arizona Fall League",
			"Team": "Salt River Rafters, Scottsdale Scorpions",
			"Ballpark": "Salt River Fields at Talking Stick",
			"Lat": "33.546111",
			"Long": "-111.885278"
		}
	}
]
}