How Ballarat's Public Image Archive Ended Up Full of Duplicates — and What's Being Done to Fix It

Ballarat's cultural institutions are working through a backlog of duplicate photographic records that has built up across multiple digital archives since the late 1990s, when the first wave of local digitisation projects got underway without a shared standard between organisations. The problem is systemic, not accidental — and understanding how it developed explains why fixing it is taking years rather than months.

The issue became impossible to ignore after Ballarat Heritage Precincts, the volunteer-led body that documents the city's Victorian-era streetscapes, attempted to merge its own collection with records held separately by the City of Ballarat's Pathways to the Past program in 2023. Cataloguers found hundreds of images filed under different reference numbers that depicted the same subject — in some cases the same photograph had been scanned three times by three separate hands, each scan tagged with slightly different metadata. Lydiard Street North alone accounted for a significant portion of the duplications, given its prominence in tourism and heritage photography over the past 30 years.

The Roots of the Problem

The duplication issue traces back to a structural gap in how Victoria's regional cultural institutions were funded through the 1990s and 2000s. Sovereign Hill received separate grant funding to digitise its gold-rush era photographic collection, the Ballarat Fine Art Gallery — now the Art Gallery of Ballarat on Lydiard Street — ran its own digitisation stream, and the Ballarat Historical Society maintained a third, entirely separate database on different software. Each project was legitimate. None of them were designed to talk to each other.

The Victorian Government's Regional Cultural Infrastructure Program, which has directed capital funding toward regional galleries and museums in successive rounds, did not require interoperability between local archives as a condition of grants during those early decades. That meant each institution optimised for its own cataloguing needs rather than a shared regional standard. By the time the State Library of Victoria began pushing for alignment through its Victorian Collections platform — which officially launched its current iteration in 2016 — the duplication was already deeply embedded. Migrating records into Victorian Collections without first auditing for duplicates simply transferred the problem to a bigger platform.

In Ballarat's case, the Art Gallery of Ballarat had more than 4,000 digitised works listed on Victorian Collections as of its last published figure in 2024, while the Historical Society's separate portal carried overlapping material from the same period, particularly around the Eureka Stockade anniversary documentation from the 1990s and early 2000s.

Where the Clean-Up Stands Now

The City of Ballarat's Pathways to the Past program began a formal duplicate-image replacement process in the second half of 2025, prioritising records tied to the municipality's most-requested heritage precincts: the CBD core around Sturt Street, the Bakery Hill precinct, and the residential streetscapes of Wendouree. The process involves cross-referencing file metadata, original negative numbers where they survive, and geographic tags before retiring the lower-resolution or less accurately catalogued version of any duplicated pair.

The work is slow by design. Rushing the replacement risks permanently discarding a scan that, despite its duplicate status, may carry unique handwritten notes on the reverse of the original print that were captured in one scan but not another. Ballarat Heritage Precincts has flagged this risk formally in its submission to the City of Ballarat's 2025–26 cultural heritage strategy consultation, arguing that a human review step should be mandatory before any image record is marked for retirement.

For researchers, local historians, and schools using these collections — including students at Federation University's Ballarat campus who draw on the archives for heritage studies coursework — the practical advice is straightforward: if you find what appear to be duplicate records while searching Victorian Collections or the City of Ballarat's online catalogue, use the platform's flagging function rather than simply ignoring the second entry. Every flag speeds up the audit. The institutions involved have confirmed the review process is ongoing, and the current target is to have the primary Sturt Street and Lydiard Street holdings reconciled before the 2027 Eureka commemorations bring a fresh wave of public research requests.