readfield_bedrock_unit_contacts Arc feature class ESRI FID Internal feature number. Esri Sequential unique whole numbers that are automatically generated. Shape Feature geometry. Esri Coordinates defining the features. LSYMBOL Code used to identify type of line symbol used for unit contact MGS 11 solid line MGS 13 dashed line MGS 16 non-plotting line MGS 17 poorly located contact MGS Pubcode Maine Geological Survey publication code for published bedrock geology open-file map MGS from associated open-file map Author Author of published bedrock geology open-file map MGS from associated open-file map Pubdate Publication date of bedrock geology open-file map MGS from associated open-file map Title Title of published bedrock geology open-file map MGS from associated open-file map Source Source of published bedrock geology open-file map MGS from associated open-file map FNODE_ Feature class geometry ESRI calculatated by ArcMap TNODE_ Feature class geometry ESRI calculatated by ArcMap LPOLY_ Feature class geometry ESRI calculatated by ArcMap RPOLY_ Feature class geometry ESRI calculatated by ArcMap LENGTH Feature class geometry ESRI calculatated by ArcMap DESCRIP Description of contact type MGS from geologist field data OBJECTID Unique number assigned by ArcMap ESRI assigned by ArcMap Attribute table for bedrock geology unit contact arcs.