Origin dates are uncertain. This is not a tested whiskey infinity-bottle recipe. A founding year does not mean uniform ancient wine, and a repeatable management system does not guarantee an unchanging flavor.
Full-source review; concise synthesis of the specified sections, not a verbatim passage or independent factual certification.
The oldest age-group supplies the saca and is replenished from younger groups. Criaderas need not be literal vertical stacks. Repeated withdrawals/refills smooth variation, maintain stock and, for biological wines, refresh yeast nutrients; frequency and tier organization vary.
42
40
Solera and criaderas40–42; compare age76–79.
Checked against the supplied PDF after all338 text positions and page images were reviewed. Map22 and spectrum315 enlarged. Locators use PDF positions. Publication-specific factual/rights checks remain separate.
No access → Whiskey Excerpts Database (USWA)
Located paraphrase; no direct quotation.
Evidence
The oldest age-group supplies the saca and is replenished from younger groups. Criaderas need not be literal vertical stacks. Repeated withdrawals/refills smooth variation, maintain stock and, for biological wines, refresh yeast nutrients; frequency and tier organization vary.
Location and context
Source No access. PDF 40–42; Solera and criaderas40–42; compare age76–79.
Locators refer to this supplied PDF, not print pagination or ebook index anchors.
Annotation
Origin dates are uncertain. This is not a tested whiskey infinity-bottle recipe. A founding year does not mean uniform ancient wine, and a repeatable management system does not guarantee an unchanging flavor.
Literature Note 
Verification checklist
Verified means source fidelity, not factual certification. Native presentation settings remain unverified.