It then uses the legal descriptions on those leases to find the appropriate Section polygon, then recursively divides and subdivides it as needed. The command uses the same dll to deserialize the xml file into a collection of lease objects. He then clicks a command and is prompted for an xml file and an output folder. The user first loads a PLSS polygon layer into the map (downloaded from BLM). The collection of leases is then serialized to an xml file. Oil leases can get nested pretty deep - down to 1/128th of a section as I recall.
It might describe something like the N half of the SE quarter section of Section 21 Township whatever Range whatever. One of the attributes of the lease object is well formed legal description. The excel technician wrote the code that loops through rows in the spreadsheet, instantiating lease objects.
The workbook contains VBA which references a data transfer class. The first tool lives within Excel and is used to export legal descriptions of leases from the spreadsheet into an xml file. I've developed tools for petroleum landmen that allow them to create polygons of leases based on PLSS legal descriptions in a spreadsheet.
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