Skanda Purana 16.367.p132

16.367.p132

131 dhruveśvarotpattivarṇane uttānapādaputreṇa dhruveṇa prabhāse nāleśvaramārādhya śivastavana-karaṇam, dhruveśvaretināmnā liṃgasthāpanaṃ ca, dhruveśvaraliṃgamāhātmyavarṇanam. 105 2

131. In the description of the origin of Dhruveśvara: Dhruva, son of Uttānapāda, worships Nāleśvara at Prabhāsa and praises Śiva, and installs a liṅga under the name Dhruveśvara; description of the māhātmya of the Dhruveśvara liṅga. 105 2