ɪt dˈeɪts bˈæk tʊ æt lˈiːst wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd θˈɜːɾi wˈʌn æz ɪt wʌz mˈɑːɹkt "tʃˈɔːk pˈɪt" ˌɔn ɐn ᵻstˈeɪt mˈæp, bˌʌt ɪɾ ɪz pɹˈɑːbəbəl ðˌɐɾɪt dˈeɪts bˈæk fˈɜːðɚ ænd ɪz "θˈɔːt tə hɐvbɪn ɐ sˈoːɹs fɔːɹ tʃˈɔːk fɚðə pɹədˈʌkʃən ʌv lˈaɪm ɹᵻkwˈaɪɚd fɚðə kənstɹˈʌkʃən ʌv nˌɑːnsˈʌtʃ pˈælɪs".
It dates back to at least 1731 as it was marked "Chalk Pitt" on an estate map, but it is probable that it dates back further and is "thought to have been a source for chalk for the production of lime required for the construction of Nonsuch Palace".