06_6_1753.jpg Area 1753 - large enclosure around a sinkholeThumbnailsArea 1753- alaArea 1753 - large enclosure around a sinkholeThumbnailsArea 1753- alaArea 1753 - large enclosure around a sinkholeThumbnailsArea 1753- alaArea 1753 - large enclosure around a sinkholeThumbnailsArea 1753- alaArea 1753 - large enclosure around a sinkholeThumbnailsArea 1753- ala

Possibly a water source