Minecraft 152 Xray Work Extra Quality <Fully Tested>
Another prominent legacy mod that includes added utilities like cave finders and coordinates.
Minecraft 1.5.2 X-Ray: How It Works, Installation, and Alternatives minecraft 152 xray work
If you do not want to alter core game files or deal with manual .jar installations, an X-Ray texture pack is the best alternative. Packs like StrongestCraft work by making the textures of common filler blocks completely transparent. CJB X-Ray [1.7.10] [1.6.4] [1.5.2] - Minecraft Inside Another prominent legacy mod that includes added utilities