The ornamental design for a tubular ditchshovel, as shown and described.
FIG. 1 is a front perspective view of the tubular ditch shovel, showing the new design;
FIG. 2 is a right side elevational view of the tubular ditch shovel thereof;
FIG. 3 is a left side elevational view of the tubular ditch shovel thereof;
FIG. 4 is a front elevational view of the tubular ditch shovel thereof;
FIG. 5 is a rear elevational view of the tubular ditch shovel thereof;
FIG. 6 is a top plan view of the tubular ditch shovel thereof; and,
FIG. 7 is a bottom plan view of the tubular ditch shovel thereof.
The dashed broken lines depict portions of the tubular ditch shovel that form no part of the claimed design.
The tubular ditch shovel is shown with a symbolic break in its length indicated with a bracket and break lines. The appearance of any portion of the article between the break lines forms no part of the claimed design.