The phrase "a useful record of" is correct and usable in written English.
You can use it when referring to documentation or information that serves as a valuable reference or account of something.
Example: "The diary serves as a useful record of her experiences during the trip."
Alternatives: "a valuable account of" or "an important documentation of".
Other benefits of the portfolio included the view that a portfolio would prepare the students for when they came to use portfolios in future (when working as a doctor) and that they could use the portfolio as a useful record of non-academic achievements such as extra-curricular activities.
The compositions of minerals as controlled by exchange reactions can provide a useful record of the temperature history of a metamorphic sample.
In addition, the varnish could provide a useful record of climate change.
Hemlocks are widespread and can live a long time 500 years or more so their growth rings provide a useful record of past droughts and forest changes.
These measurements provided a useful record of how the process of integration of calcium phosphate ceramic-coated strain gages to bone and progression of spinal fusion affected early postoperative strains.
Unfortunately, the giant sequoia of California does not live in a sufficiently sensitive environment to provide a useful record.
The tiny island nation of Yap in the South Pacific may provide the most useful record of Zika infection.
There's also a useful recording feature.
Perhaps, in a century's time, any literary critics still clinging to their positions as the seas rise around them will see the work we writers produce today as a useful historical record of our society's insanity.
Hence, parents gave informed consent, but lacked a useful written record of the details to which they had agreed.
The previous analyses based on molecules were referred to the calibration points for our dating because of the absence of a useful fossil record in the lancelets.
