We claim the ornamental design for a shelving, storage, and desk unit, as shown and described.
FIG. 1 is a top front perspective view of a shelving, storage, and desk unit;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a right side elevation view thereof;
FIG. 8 is a cross-sectional view of a worksurface element of FIG. 7, taken along line 8-8;
FIG. 9 is a bottom rear perspective view thereof;
FIG. 10 is a top rear perspective view thereof; and,
FIG. 11 is a left side elevation view, shown in an alternative position.
Evenly-spaced broken lines show environmental structure that forms no part of the claimed design, while the dash-dot-dash lines represent a symbolic break in the article. The appearance of any portion of the article between the break lines forms no part of the claimed design.