It sounds like you're referring to a real-world local service notice or a humorous sign rather than an academic or technical paper.
If you meant it as a joke or a play on words — “Drain Unblocking Mount Eden” sounds like a plumbing ad, but formatted like a research paper title — then the humor comes from juxtaposing a mundane household chore with the formal style of a scientific publication. drain unblocking mount eden
If you actually saw a paper with that exact title, it might be a case study in civil engineering or urban drainage systems specific to Mount Eden (a suburb in Auckland, New Zealand), possibly looking at flood prevention, sediment transport, or pipe blockage causes in that area. It sounds like you're referring to a real-world