31-21-1 Affidavit that ditch should be opened--Contents of affidavit--Notice of meeting of board of county commissioners--Examination of premises. 31-21-2 Form of notice. 31-21-3 Filing of notice and affidavit--Service on landowner--Nonresident landowners. 31-21-4 Return of service--Nonresident landowners--Publication of notice--Posting of notice--Time of publication or posting. 31-21-5 Examination of land--Hearing reasons for and against ditch--Decision--Assessment of damages in favor of landowner. 31-21-6 Benefits to landowner as factor in fixing damages--Fixing damages by agreement--Writing and filing agreement--Agreement as conclusive. 31-21-7 Laying out and opening ditch--Statement respecting decisions and damages--Filing of statement--Record kept by county auditor. 31-21-8 Payment to landowner before opening of ditch. 31-21-9 Appeal from decision to open ditch--Procedure applicable. 31-21-10 Failure to appeal--Time decision becomes final--Opening of ditch--Landowner's instructions as to line of ditch. 31-21-11 Entry upon land for maintenance of ditch. 31-21-12 Civil liability for obstruction of ditch. 31-21-13 Obstruction of ditch as misdemeanor.