Shiva Purana
संगृह्य मृत्तिकां लिंगनिर्माणार्थं प्रयत्नतः । अतीव शुभदेशे च स्थापयेत्तां मृदं शुभाम् ८ ।
After taking the clay he shall place it in an auspicious place for making the image.
english translation
saMgRhya mRttikAM liMganirmANArthaM prayatnataH । atIva zubhadeze ca sthApayettAM mRdaM zubhAm 8 ।
hk transliteration by Sanscript