Dear Guru Maharaja, please accept my humble obeisances.

All glories to Srila Prabhupada!

SB 4.8.63 states:

When Dhruva Maharaja, the son of the King, was thus advised by the great sage Narada, he circumambulated Narada, his spiritual master, and offered him respectful obeisances. Then he started for Madhuvana (a forest in Vrindavana), which is always imprinted with the lotus footprints of Lord Krsna and which is therefore especially auspicious.
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This incident between Narada and Dhruva is happening in Satya yuga. Narada tells that Madhuvana is always imprinted with the lotus footprints of Lord Krsna. As I understand,  Krsna and His dhama comes/descends later, or at least He comes later. If that is so, then how could the forest already have footprints of Lord Krsna?

Please can you help us to understand?  Thank you.

Your servant Namacarya das
          ASA - AGTSP.  Paoho.  Let us (Monkey and Piggy) speculate on this (based upon scriptures [a lot!]).
First, which comes first Winter or Spring?  Hmmm.  Its a circle, no? So, there could be footprints there in Satya yuga from the previous Kali yuga.

Finally, there could be foot prints of Satya-narayana, Druva's Lord in Satya-yuga, Laksman en Treta yuga, Krsna in Dvapara and Lord Caitanya en Kali yuga. They are His expansions so They are Him, His foot prints. When Krsna expands to dance with all the Gopis in the Rasa-lila they are all "His" foot prints, no?
Hmmmmm!  Tha't all that we would understand. We would tend especially towards the first view. That Krsna is always playing in Vrndavana no matter what is the Yuga. He is addicted to the place! Thank you for the question!!!
The Pulinos are very fortunate. Many should become Initiated devotees after hearing Kirtan!!!!