Construction by federal government, §§22-3-120 to 22-3-122. Ownership or operation of certain utility systems. Declaration of taking method of eminent domain, §22-3-140. Petroleum pipelines and gas pipelines, §§22-3-80 to 22-3-95. Telegraph and telephone lines along railroad rights of way. Construction, maintenance, §§22-3-1 to 22-3-4. Watershed projects, flood-control projects. Construction, operation, counties, §§22-3-100 to 22-3-102. Waterworks and sanitary sewage systems. Construction and operation, §§22-3-60 to 22-3-63. Expert or lay testimony. Valuation of condemned property, determination, §22-1-14. EMINENT DOMAIN —Cont’d Failure to put property to public use. Reconveyance, quitclaim, additional compensation. Right of former owner, §22-1-2. Gas. Petroleum and gas pipelines, §§22-3-80 to 22-3-95. General assembly. Manner of exercising right, §22-1-4. Power to determine when right may be exercised, §22-1-3. Highways, roads and streets. Consequential damages to remaining property or interest, §§22-2-109, 22-2-137. Value of land actually taken.