Sub-subseries contains technical drawings of plans non-specific to Turner operations.

Subseries contains technical drawings of plans for building specific and non-specific to plant operations.

Sub-subseries contains technical drawings of plans for building specific to plant operations.

Sub-subseries contains technical drawings of plans non-specific to Turner operations.

Sub-subseries contains technical drawings of plans for structures other than plant operations.

Subseries contains technical drawings of other plans non-specific to Turner operations.

Subseries contains miscellaneous maps of facilities and equipment.

Subseries contains maps, surveys, plans etc. of various Royalite facilities and infrastructure.