Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/25/53

अथवा त्वं समानीय गंगास्नानं समाचर ।। पार्थिवानां तथा कोटिं कृत्वा देवं निषेवय ।। ५३ ।।

sanskrit

Or you fetch water from Gaṅgā and perform the ceremonial ablution. Propitiate lord Śiva making a crore of his phallic images.

english translation

athavA tvaM samAnIya gaMgAsnAnaM samAcara || pArthivAnAM tathA koTiM kRtvA devaM niSevaya || 53 ||

hk transliteration by Sanscript