Turnstone Geological Services

Webmaster Graham Wilson --- principal testing in/for Netscape 4.x to 7.1 & (2005-),
Mozilla Firefox 1.0 to 100.0 (F. Quantum, 57.0 on, 64-bit - 01 Dec. 2017 - 04 May 2022), to 140.0.1 (28 June 2025) plus
(Oct. 2013-Dec. 2021) BlackBerry Z10; (2019-2020) OnePlus 6T on Android 9;
and (Dec. 2021-) Samsung Galaxy A32 5G on Android 11, 12 and (29 Dec. 2022) 13.
This site has "https:" status, SSL/TLS certificate activated 05 July 2022.

Unless otherwise indicated, material on this site is copyright G.C. Wilson / Turnstone G.S.L., 2001-2025.



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