The phrase "and which indicated" is correct and usable in written English.
It can be used to provide additional information or clarification about a subject that has been previously mentioned, often in a descriptive or explanatory context.
Example: "The report contained several graphs, and which indicated a significant increase in sales over the last quarter."
Alternatives: "and that showed" or "and which demonstrated".
Despite Kate Anderson filing a police report which said Batty was fearful of her safety and which indicated Greg Anderson may be a future threat, those details were not entered into the computer database, the inquest heard.
But the figure that troubled analysts, and which indicated the bank's problems were far from over, was the increase in loans not accruing interest, those 90 days past due and real estate owned by the bank because of defaults.
Furthermore, these indices did not increase with the pH changes of the original sludge, and which indicated a high acid and alkali resistance of PAMA.
Ahmad Jauhari Yahya, the chief executive of Malaysia Airlines, said in a recent press conference that technical data received less than half an hour after takeoff - and which indicated no problems with the aircraft - was the last transmission.
The President called me hours after he issued a partisan statement which attacked me and my fellow House Republicans and which indicated no sincere desire to work together.
The treatment time window was chosen based on comparative analysis of fetal testis development in the marmoset and human using cell-specific markers (Mitchell et al., 2008 and unpublished data) and which indicated that this period will encompass seminiferous cord formation and onset of testosterone production (marmosets have a disproportionately long embryonic period).
For every research paper that suggests working motherhood damages children, there are many more that are often conveniently forgotten and which indicate the positive effects on the social and cognitive development of children.
Finally, a case study is provided to demonstrate how the system can assist in monitoring discrete states and which indicates it is feasible for the construction industry.
The QoS requirements of the third type of traffic include,, and, which indicate that (7).
The QoS requirements of the second type of traffic is and, which indicate that (6).
