Organization

Clarke County Historical Association

Keeps an archive of Clarke County records, photographs and newspapers for researchers, and runs a museum at what its own site calls its headquarters in Berryville. This site already cites its Proceedings as a source.

A two-storey mill building stands close to a road under a blue sky with broken cloud. Its lower storey is coursed rubble limestone pierced by small barred windows and a low arched doorway with a plank door; the upper storey is clad in weatherboard painted dark green, with three twelve-pane sash windows. A steep grey shingled roof runs the length of the building and a stone chimney rises at the far gable. A painted board on the stonework reads Burwell-Morgan Mill, est. 1782, Clarke County Historical Association, and a millstone leans against the wall beside it. A split-rail fence crosses the foreground at the left and a utility pole and wires stand at the right.

The Burwell-Morgan Mill at Millwood, photographed in 2022. The Clarke County Historical Association owns and operates the mill, and the board fixed to the stonework carries the association's name. Its history center and archive are at a separate address in Berryville and are not shown here.

Photograph by Wikimedia Commons user APK, March 2, 2022. Licensed CC BY-SA 4.0. Rights Changes: Scaled from 2048 by 1534 pixels down to 1600 by 1198 and re-encoded as JPEG, with the camera metadata dropped. Nothing cropped, retouched or added.

Source: Burwell-Morgan Mill - 1.jpg Open the full image

An IRS ruling in 1963, Proceedings for eighty years, and a museum planned in 2004

Clarke County Historical Association

An archive of Clarke County records, photographs, and newspapers held for researchers, and a museum at what the organization calls its headquarters in Berryville. This site already cites its Proceedings as a source.

The IRS Exempt Organizations Business Master File records the Clarke County Historical Association as a 501(c)(3) organization with EIN 54‑6044234 and a ruling year of 19631. The IRS extract itself records no mission classification for the organization2, a filing gap that says nothing about what the organization does and something about the limits of the register. Returns are located in the IRS filing index for 13 fiscal years, 2012 through 2024, on Form 9903 — the same twelve-year sustained-reporting shape as the Barns of Rose Hill, though this organization has been in operation for longer than half again as long.

The organization publishes a street address for its own premises that falls in Clarke County1, and its own account of its museum planning is directly worded: 'In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.'2 What that planning produced, and what the museum contains today, are questions the current released record does not settle; a visit to the History Center at 32 East Main Street would.

The association's own scholarly publication, the Proceedings of the Clarke County Historical Association, is a source this site cites1. One volume is currently in the corpus. The vendor source-survey commissioned on 13 September 2026 established that the CCHA has published at least 28 numbered volumes since 1940, of which 27 are not yet ingested — named as the eighth-priority research packet in the September strategy memo. Reading them systematically would surface named residents, named events, and cited primary sources on a scale that would substantially expand what this site knows about the twentieth century in Clarke.

Six claims that sketch the institutional shape of the county's own history-keeping organization. The IRS ruling year of 1963 makes CCHA older than most of the entities this site has released, and its own Proceedings represent thousands of pages of local scholarship that the current corpus has barely opened.

Evidence

See the source and its limits
✓ DocumentedThat it was so

Clarke County Historical Association is listed in the IRS Exempt Organizations Business Master File under EIN 54-6044234 as a 501(c)(3) organization, with a ruling year of 1963 recorded in the file.

What the source supports

The organization's legal name, EIN and subsection as the IRS records them, and the ruling year the extract carries.

Uncertainty

The IRS recognized this organization's tax-exempt status in 1963. That is the year of the determination as carried in this extract, and it is not necessarily the founding year: an organization can be recognized long after it began, and nothing here establishes when it was founded. Listing is not evidence that the organization is operating now, and this record establishes nothing about its conduct or its finances.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

IRS Exempt Organizations Business Master File, Virginia extract (eo_va.csv), file as of 2026-09-07

Internal Revenue Service · 2026-09-07 (last update)

Locator: Row for EIN 546044234

Relevant passage
EIN 546044234 | CLARKE COUNTY HISTORICAL ASSOCIATION INC | subsection 03 | NTEE (none) | ruling year 1963 | filing requirement 01 | latest tax period 202512 | locality Berryville, VA 22611

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: irs_exempt_organizations_data. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

See the source and its limits
✓ DocumentedThat it was so

The IRS extract records no mission classification for Clarke County Historical Association.

What the source supports

That the extract's mission-category field is empty for this organization.

Uncertainty

An empty category field is an absence in the register, not a statement about the organization.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

IRS Exempt Organizations Business Master File, Virginia extract (eo_va.csv), file as of 2026-09-07

Internal Revenue Service · 2026-09-07 (last update)

Locator: Row for EIN 546044234

Relevant passage
EIN 546044234 | CLARKE COUNTY HISTORICAL ASSOCIATION INC | subsection 03 | NTEE (none) | ruling year 1963 | filing requirement 01 | latest tax period 202512 | locality Berryville, VA 22611

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: irs_exempt_organizations_data. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

See the source and its limits
✓ DocumentedThat it was so

Returns for Clarke County Historical Association are located in the filing index for 13 fiscal years, 2012 through 2024, on Form 990.

What the source supports

Which fiscal years of return the index returns for this EIN, and on which forms. The segment lists each year with its form, fiscal period and return identifier, so the coverage can be checked record by record.

Uncertainty

Returns are listed for 13 fiscal years, 2012 through 2024, on Form 990. A listed return is one that can be located in the filing index, not one that has been read: no document was retrieved, no amount from any return is reported in this note, and a directory entry is not an audit. Years missing from that count are years these sources did not return, which is not evidence that nothing was filed; no source used here reports a prior-year 990-N.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

ProPublica Nonprofit Explorer API v2 filing index, with IRS Form 990-N (e-Postcard) bulk data

ProPublica; Internal Revenue Service · 2026-09-10 (last update)

Locator: Index records for EIN 546044234, fiscal years 2012-2026: 13 located, 2012 through 2024, on 990. Per-year detail, with the return identifier for each, is in research/transparentclarke-inventory/filing-coverage.jsonl

Checked: Catalog index only. Original image not independently inspected.

Open source

Source family: irs_filing_index_via_aggregator. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

See the source and its limits
✓ Supported by a sourceThat it was so

Clarke County Historical Association publishes a street address for its own premises that falls in Clarke County, Virginia.

What the source supports

That the organization states a street address for its own premises, and that this project placed that address in Clarke County, Virginia (FIPS 51043).

Uncertainty

The address is the organization's own statement; no deed, lease or county record was inspected. Placing it in Clarke County is this project's determination, from a US Census Bureau geocoder address match confirmed by an FCC Area API county lookup of the coordinates that geocoder returned. That second step checks the county for those coordinates; it is not an independent geocode of the address, so it cannot catch an address the Census geocoder placed at the wrong point. The street address itself is not published here, and where the organization's work reaches was not measured.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

Clarke County Historical Association, organization website

Clarke County Historical Association

Locator: The page's stated street address for the organization's own premises

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: self_published_by_the_subject. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

See the source and its limits
✓ Supported by a sourceAn account exists

Clarke County Historical Association describes its work as: In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.

What the source supports

What the organization says it does, quoted from its own site on 2026-09-11.

Uncertainty

Self-published and unverified. This is the organization's account of its own work; nothing here checks it against a program record, a filing or an independent report.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

Clarke County Historical Association, organization website

Clarke County Historical Association

Locator: History Center page, the archives description and the museum paragraph beginning "In 2004"

Relevant passage
In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: self_published_by_the_subject. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

See the source and its limits
✓ DocumentedThat it was so

The Clarke County Historical Association publishes the Proceedings of the Clarke County Historical Association, a volume of which this site cites as a source.

What the source supports

That the association publishes the Proceedings, and that material already cited on this site comes from it. This is the cross-link between the organization's directory entry and the publisher role it already had here.

Uncertainty

The cited volume establishes that the association published it; it says nothing about the association's current programs.

Source

Later historical account

Evidence role: supports. Supports the claim at the stated source level; see limits.

Roots of a Clarke County Treasure: From Alexander Henderson to Joseph Tuley and Graham Blandy, the Virginia State Arboretum and Blandy Experimental Farm Have Been 225 Years in the Making (Proceedings of the Clarke County Historical Association, Volume XXVIII, 2012, printed pages 45-56)

Clarke County Historical Association; adapted from the Blandy Experimental Farm "Phase 1 Archeological Investigations" prepared by Rivanna Archeological Services, Charlottesville (no individual byline) · 2012 (publication)

Locator: Printed pages 51-53, on Upton Boyce's orchards

Relevant passage
The 1880 agricultural census documents that Boyce had only six acres of apple orchard with fifty apple trees, and twenty-five peach trees planted in 1879. ... by 1905, Boyce had a total of eighty-three acres in orchard east and southeast of his Tuleyries mansion.

Checked: Existing OCR reviewed. Original image not independently inspected.

Open source

Source family: ccha-proceedings-28. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

What the sources support

Clarke County Historical Association describes its work as: In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.

✓ Supported by a source
See the source and its limits
✓ Supported by a sourceAn account exists

Clarke County Historical Association describes its work as: In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.

What the source supports

What the organization says it does, quoted from its own site on 2026-09-11.

Uncertainty

Self-published and unverified. This is the organization's account of its own work; nothing here checks it against a program record, a filing or an independent report.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

Clarke County Historical Association, organization website

Clarke County Historical Association

Locator: History Center page, the archives description and the museum paragraph beginning "In 2004"

Relevant passage
In 2004, the Clarke County Historical Association began planning a new and exciting museum experience for visitors to our headquarters in Berryville.

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: self_published_by_the_subject. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

Clarke County Historical Association publishes a street address for its own premises that falls in Clarke County, Virginia.

✓ Supported by a source
See the source and its limits
✓ Supported by a sourceThat it was so

Clarke County Historical Association publishes a street address for its own premises that falls in Clarke County, Virginia.

What the source supports

That the organization states a street address for its own premises, and that this project placed that address in Clarke County, Virginia (FIPS 51043).

Uncertainty

The address is the organization's own statement; no deed, lease or county record was inspected. Placing it in Clarke County is this project's determination, from a US Census Bureau geocoder address match confirmed by an FCC Area API county lookup of the coordinates that geocoder returned. That second step checks the county for those coordinates; it is not an independent geocode of the address, so it cannot catch an address the Census geocoder placed at the wrong point. The street address itself is not published here, and where the organization's work reaches was not measured.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

Clarke County Historical Association, organization website

Clarke County Historical Association

Locator: The page's stated street address for the organization's own premises

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: self_published_by_the_subject. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

Clarke County Historical Association is listed in the IRS Exempt Organizations Business Master File under EIN 54-6044234 as a 501(c)(3) organization, with a ruling year of 1963 recorded in the file.

✓ Documented
See the source and its limits
✓ DocumentedThat it was so

Clarke County Historical Association is listed in the IRS Exempt Organizations Business Master File under EIN 54-6044234 as a 501(c)(3) organization, with a ruling year of 1963 recorded in the file.

What the source supports

The organization's legal name, EIN and subsection as the IRS records them, and the ruling year the extract carries.

Uncertainty

The IRS recognized this organization's tax-exempt status in 1963. That is the year of the determination as carried in this extract, and it is not necessarily the founding year: an organization can be recognized long after it began, and nothing here establishes when it was founded. Listing is not evidence that the organization is operating now, and this record establishes nothing about its conduct or its finances.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

IRS Exempt Organizations Business Master File, Virginia extract (eo_va.csv), file as of 2026-09-07

Internal Revenue Service · 2026-09-07 (last update)

Locator: Row for EIN 546044234

Relevant passage
EIN 546044234 | CLARKE COUNTY HISTORICAL ASSOCIATION INC | subsection 03 | NTEE (none) | ruling year 1963 | filing requirement 01 | latest tax period 202512 | locality Berryville, VA 22611

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: irs_exempt_organizations_data. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

The IRS extract records no mission classification for Clarke County Historical Association.

✓ Documented
See the source and its limits
✓ DocumentedThat it was so

The IRS extract records no mission classification for Clarke County Historical Association.

What the source supports

That the extract's mission-category field is empty for this organization.

Uncertainty

An empty category field is an absence in the register, not a statement about the organization.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

IRS Exempt Organizations Business Master File, Virginia extract (eo_va.csv), file as of 2026-09-07

Internal Revenue Service · 2026-09-07 (last update)

Locator: Row for EIN 546044234

Relevant passage
EIN 546044234 | CLARKE COUNTY HISTORICAL ASSOCIATION INC | subsection 03 | NTEE (none) | ruling year 1963 | filing requirement 01 | latest tax period 202512 | locality Berryville, VA 22611

Checked: Page text reviewed. Original image not independently inspected.

Open source

Source family: irs_exempt_organizations_data. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

Returns for Clarke County Historical Association are located in the filing index for 13 fiscal years, 2012 through 2024, on Form 990.

✓ Documented
See the source and its limits
✓ DocumentedThat it was so

Returns for Clarke County Historical Association are located in the filing index for 13 fiscal years, 2012 through 2024, on Form 990.

What the source supports

Which fiscal years of return the index returns for this EIN, and on which forms. The segment lists each year with its form, fiscal period and return identifier, so the coverage can be checked record by record.

Uncertainty

Returns are listed for 13 fiscal years, 2012 through 2024, on Form 990. A listed return is one that can be located in the filing index, not one that has been read: no document was retrieved, no amount from any return is reported in this note, and a directory entry is not an audit. Years missing from that count are years these sources did not return, which is not evidence that nothing was filed; no source used here reports a prior-year 990-N.

Source

Document

Evidence role: supports. Supports the claim at the stated source level; see limits.

ProPublica Nonprofit Explorer API v2 filing index, with IRS Form 990-N (e-Postcard) bulk data

ProPublica; Internal Revenue Service · 2026-09-10 (last update)

Locator: Index records for EIN 546044234, fiscal years 2012-2026: 13 located, 2012 through 2024, on 990. Per-year detail, with the return identifier for each, is in research/transparentclarke-inventory/filing-coverage.jsonl

Checked: Catalog index only. Original image not independently inspected.

Open source

Source family: irs_filing_index_via_aggregator. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

The Clarke County Historical Association publishes the Proceedings of the Clarke County Historical Association, a volume of which this site cites as a source.

✓ Documented
See the source and its limits
✓ DocumentedThat it was so

The Clarke County Historical Association publishes the Proceedings of the Clarke County Historical Association, a volume of which this site cites as a source.

What the source supports

That the association publishes the Proceedings, and that material already cited on this site comes from it. This is the cross-link between the organization's directory entry and the publisher role it already had here.

Uncertainty

The cited volume establishes that the association published it; it says nothing about the association's current programs.

Source

Later historical account

Evidence role: supports. Supports the claim at the stated source level; see limits.

Roots of a Clarke County Treasure: From Alexander Henderson to Joseph Tuley and Graham Blandy, the Virginia State Arboretum and Blandy Experimental Farm Have Been 225 Years in the Making (Proceedings of the Clarke County Historical Association, Volume XXVIII, 2012, printed pages 45-56)

Clarke County Historical Association; adapted from the Blandy Experimental Farm "Phase 1 Archeological Investigations" prepared by Rivanna Archeological Services, Charlottesville (no individual byline) · 2012 (publication)

Locator: Printed pages 51-53, on Upton Boyce's orchards

Relevant passage
The 1880 agricultural census documents that Boyce had only six acres of apple orchard with fifty apple trees, and twenty-five peach trees planted in 1879. ... by 1905, Boyce had a total of eighty-three acres in orchard east and southeast of his Tuleyries mansion.

Checked: Existing OCR reviewed. Original image not independently inspected.

Open source

Source family: ccha-proceedings-28. Multiple passages from one source are not independent witnesses.

AI-assisted source check · 2026-09-11. How this project checks its sources

Also indexed as: CLARKE COUNTY HISTORICAL ASSOCIATION INC; Clarke County Historical Association Inc.

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