Subseries contains a wiring diagram of the power plant switchboard.

Sub-subseries contains Western Decalta Petroleum and assorted technical drawings of piping and ducts.

Sub-subseries contains Alco Products Incorporated technical drawings (diazotype) of piping and ducts.

Sub-subseries contains technical drawings (diazotype) of piping and ducts from assorted manufacturers.

Sub-subseries contains Duckworth & Price Engineering Ltd. technical drawings (original pencil) of piping. Drawn for Western Decalta Petroleum Ltd.

Sub-subseries contains an Integrated Control Systems Ltd. technical drawing of underground conduit runs.

Sub-subseries contains Girdler Corp. and Foster Wheeler Ltd. technical drawings (diazotype) of piping.

Sub-subseries contains technical drawings (predominately Western Decalta Petroleum Ltd.) of piping.

Sub-subseries contains Western Decalta Petroleum Ltd. technical drawings (original pencil and ink) of piping.

Sub-subseries contains Cooper-Bessemer Corporation technical drawings of piping.

Sub-subseries contains Duckworth, Price, Henderson & Associates Ltd. technical drawings (original pencil) of piping. Drawn for Western Decalta Petroleum Ltd.

Sub-subseries contains Madison Natural Gas Co. Ltd. technical drawings (original pencil) of piping.

Sub-subseries contains assorted technical drawings of piping and ducts.

Subseries contains specific technological and geographic maps of the Turner Valley Gas Plant.

Subseries contains flowline maps.

Sub-subseries contains flowline maps.

Sub-subseries contains flowline maps.

Sub-subseries contains flowline maps.

Sub-subseries contains flowline map.

Sub-subseries contains maps of production facilities, pipelines, and boundaries.

Sub-subseries contains well maps. Includes Isopach map for Joffre Field, Alberta.

Sub-subseries contains a map of Turner Valley pipeline.

Sub-subseries contains a map of Turner Valley pipeline and wells.