Question:  Peter Kalifornsky was the great grand son of Qadanalchen who worked in a the hub of the southernmost Russian settlements in North America from 1812 to 1842 that has been the subject of what?
Context: James Kari is a linguist and Professor Emeritus with the Alaska Native Language Center at the University of Alaska Fairbanks (UAF) specializing in the Dene or Athabascan languages of Alaska.  In the past forty years he has done extensive linguistic work in many Dene languages including Ahtna, Dena'ina, Koyukon, Deg Hit'an, Holikachuk, Lower Tanana, Middle Tanana, Tanacross, Upper Tanana, and Babine-Witsuwit'en.  He was on the faculty of UAF from 1973 until his retirement in 1997.  He continues to work on numerous Alaska Native language projects.  He is the author or editor of over 200 publications, including more than 3000 pages of bilingual texts in seven Dene languages.  He is the most prolific contributor to the Alaska Native Language Archive (with more than 950 entries).  His special interest is Dene ethnogeography, and he has compiled or documented more than 12,000 place names in fourteen Alaska or Canadian or Southwest Dene languages.  He worked with Dena'ina writer and ethnographer Peter Kalifornsky on a 1991 compilation of his creative writings.  In 2008 he was the organizer of the Dene–Yeniseian Symposium in Alaska, and co-editor of the volume "The Dene–Yeniseian Connection" published in 2010.  In 2009 Alaska governor Sarah Palin selected Kari to receive the Governor's Award for the Humanities.  In March 2013 Kari received the Professional Achievement Award at the 40th annual meeting of the Alaska Anthropological Association. Peter Kalifornsky, self-named ""Петр Калифорнский"" (October 12, 1911 – June 5, 1993), was a self-taught writer and ethnographer of the Dena'ina Athabaskan of Kenai, Alaska, who wrote traditional stories, poems, and language lessons in the Outer Inlet dialect (sometimes called the Kenai dialect) of Dena'ina, a language of the Athabaskan language group.  Kalifornsky, a Dena'ina elder, participated in creating the written version of the Dena'ina language, and over 19 years worked to record as many "sukdu" or traditional stories as he could remember, translating them also into English.  He also wrote original works in Dena'ina, including a number of autobiographical works.  He was the great-grandson of Qadanalchen, who took the name Kalifornsky after working in the Russian American colony of Fort Ross in California, and for whom Kalifornsky, Alaska is named. Major General Ghulam Haidar Rasuli (1919 – April 1978) was born in Rostaq, Takhar Province and a supporter of Mohammed Daoud Khan, who came out of retirement after the 1973 coup which removed King Zahir Shah and put Daoud in power.  He received early military education at the Military High School, graduating in 1933, before receiving military training in India from 1956 to 1958.  In 1966, he became the director of recruitment in the Ministry of National Defense.  He was placed in charge of the Central Forces of Afghanistan in 1973 and became Chief of General Staff two years later.  Rasuli was appointed Minister of Defense of Afghanistan on 7 November 1977, but was killed during the April 1978 Saur Revolution.  Major Gen. Ghulam Haidar Rasuli was the son of Ghulam Rasul a Muhammadzai Barakzai from Kandahar.  Ghulam Haidar Rasuli was the Great Grand son of the Amir Mohammad khan full brother of Amir Dost Muhammad khan Barakzai (amir of Afghanistan) from the muhammadzai Barakzai tribe. Syed Abdul-Jabbar Shah Tirmizi, nephew of Syed Akbar Shah Tirmizi and great grand son of Pir Baba, was made ruler by a local Jirga and had trouble exercising power.  Syed Abdul-Jabbar Shah Tirmizi become prime minister of State of Amb in late 1920s. Syed Muhammad Jewan Shah Naqvi is a prominent Islamic saint of Allo Mahar Sharif.He was FOUNDER of Allo mahar sharif and great Grand son of emperor of Kharasan.It has been recorded that the first of the ancestors of Syed Muhammad Channan Shah, who came to the Allo Mahar Sharif, was Syed Muhammad Jewan Shah Naqvi, well known by the pen-name of Shair Sawar Sarkar.  Sarkar came to the South Asia with a contingent of other religious Sufi leaders upon the establishment of Islamic rule in India from the Middle-East.  He traces his roots to the first Arab Shaikhs descending from the Family of the Prophet through the lineage of Imam-al-Husayn and so he is a Sayyed.  The term Shah present in his name is derived from the Persian root for leader which most members of the Prophet's family obtained upon propagating the message of Islam in Persia after his death. Fort Ross (Russian: Форт-Росс ), originally Fortress Ross (Крѣпость Россъ , "Krepostʹ Ross"), is a former Russian establishment on the west coast of North America in what is now Sonoma County, California, in the United States.  It was the hub of the southernmost Russian settlements in North America from 1812 to 1842.  It has been the subject of archaeological investigation and is a California Historical Landmark, a National Historic Landmark, and on the National Register of Historic Places.  It is part of California's Fort Ross State Historic Park. Mahabali (IAST: Mahābalī), also known as Māveli, was a benevolent Asura King in ancient Hindu mythology.  Mahabali was the great great grandson of sage Kashyapa, great grandson of Hiranyakshipu, the grand son of Prahlada and son of Virochana.  After he failed to fulfill his promise to provide three paces of land for Vamana, Vamana sends Mahabali to live in netherworld for some period.  Pleased by Mahabali's devotion, Vamana also blesses Bali to be the Indra during the period of the Manu known as Sāvarṇi. Russian Americans are Americans who trace their ancestry to Russia, the Russian Empire, and the former Soviet Union.  The definition can be applied to recent Russian immigrants to the United States, as well as to settlers of 19th-century Russian settlements in northwestern America which includes today's US states of Alaska, California, Oregon and Washington. Wasantha Senanayake (Sinhala:වසන්ත සේනානායක) also spelt as Vasantha (born 28 June 1973) is a Sri Lankan politician, a member of the Parliament of Sri Lanka.  He belongs to the United National Party.  He is the great grand son of D. S. Senanayake and cousin of Ruwan Wijewardene. Madhukeshwar Desai (born 25 August 1987) is an Indian politician and great grand son of former Prime Minister of India Morarji Desai.  In 2013, he was appointed the National Vice President of the Bharatiya Janata Yuva Morcha, the youth wing of the Bharatiya Janata Party at 25, making him the youngest Vice President in the history of the party.  He was re appointed National Vice President for a second consecutive term in 2017 at 29, retaining his distinction as the youngest Vice President.
Answer: archaeological investigation